397657728

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 256

約数和(自身を含む): 1295481600

約数和(自身を除く): 897823872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 53, 54, 64, 72, 78, 96, 104, 106, 108, 117, 128, 144, 156, 159, 167, 192, 208, 212, 216, 234, 288, 312, 318, 334, 351, 384, 416, 424, 432, 468, 477, 501, 576, 624, 636, 668, 689, 702, 832, 848, 864, 936, 954, 1002, 1152, 1248, 1272, 1336, 1378, 1404, 1431, 1503, 1664, 1696, 1728, 1872, 1908, 2004, 2067, 2171, 2496, 2544, 2672, 2756, 2808, 2862, 3006, 3392, 3456, 3744, 3816, 4008, 4134, 4342, 4509, 4992, 5088, 5344, 5512, 5616, 5724, 6012, 6201, 6513, 6784, 7488, 7632, 8016, 8268, 8684, 8851, 9018, 10176, 10688, 11024, 11232, 11448, 12024, 12402, 13026, 14976, 15264, 16032, 16536, 17368, 17702, 18036, 18603, 19539, 20352, 21376, 22048, 22464, 22896, 24048, 24804, 26052, 26553, 30528, 32064, 33072, 34736, 35404, 36072, 37206, 39078, 44096, 44928, 45792, 48096, 49608, 52104, 53106, 58617, 61056, 64128, 66144, 69472, 70808, 72144, 74412, 78156, 79659, 88192, 91584, 96192, 99216, 104208, 106212, 115063, 117234, 132288, 138944, 141616, 144288, 148824, 156312, 159318, 183168, 192384, 198432, 208416, 212424, 230126, 234468, 238977, 264576, 277888, 283232, 288576, 297648, 312624, 318636, 345189, 396864, 416832, 424848, 460252, 468936, 477954, 566464, 577152, 595296, 625248, 637272, 690378, 793728, 833664, 849696, 920504, 937872, 955908, 1035567, 1132928, 1190592, 1250496, 1274544, 1380756, 1699392, 1841008, 1875744, 1911816, 2071134, 2381184, 2500992, 2549088, 2761512, 3106701, 3398784, 3682016, 3751488, 3823632, 4142268, 5098176, 5523024, 6213402, 7364032, 7502976, 7647264, 8284536, 10196352, 11046048, 12426804, 14728064, 15294528, 16569072, 22092096, 24853608, 30589056, 33138144, 44184192, 49707216, 66276288, 99414432, 132552576, 198828864, 397657728]

約数ペア:

[(1, 397657728), (2, 198828864), (3, 132552576), (4, 99414432), (6, 66276288), (8, 49707216), (9, 44184192), (12, 33138144), (13, 30589056), (16, 24853608), (18, 22092096), (24, 16569072), (26, 15294528), (27, 14728064), (32, 12426804), (36, 11046048), (39, 10196352), (48, 8284536), (52, 7647264), (53, 7502976), (54, 7364032), (64, 6213402), (72, 5523024), (78, 5098176), (96, 4142268), (104, 3823632), (106, 3751488), (108, 3682016), (117, 3398784), (128, 3106701), (144, 2761512), (156, 2549088), (159, 2500992), (167, 2381184), (192, 2071134), (208, 1911816), (212, 1875744), (216, 1841008), (234, 1699392), (288, 1380756), (312, 1274544), (318, 1250496), (334, 1190592), (351, 1132928), (384, 1035567), (416, 955908), (424, 937872), (432, 920504), (468, 849696), (477, 833664), (501, 793728), (576, 690378), (624, 637272), (636, 625248), (668, 595296), (689, 577152), (702, 566464), (832, 477954), (848, 468936), (864, 460252), (936, 424848), (954, 416832), (1002, 396864), (1152, 345189), (1248, 318636), (1272, 312624), (1336, 297648), (1378, 288576), (1404, 283232), (1431, 277888), (1503, 264576), (1664, 238977), (1696, 234468), (1728, 230126), (1872, 212424), (1908, 208416), (2004, 198432), (2067, 192384), (2171, 183168), (2496, 159318), (2544, 156312), (2672, 148824), (2756, 144288), (2808, 141616), (2862, 138944), (3006, 132288), (3392, 117234), (3456, 115063), (3744, 106212), (3816, 104208), (4008, 99216), (4134, 96192), (4342, 91584), (4509, 88192), (4992, 79659), (5088, 78156), (5344, 74412), (5512, 72144), (5616, 70808), (5724, 69472), (6012, 66144), (6201, 64128), (6513, 61056), (6784, 58617), (7488, 53106), (7632, 52104), (8016, 49608), (8268, 48096), (8684, 45792), (8851, 44928), (9018, 44096), (10176, 39078), (10688, 37206), (11024, 36072), (11232, 35404), (11448, 34736), (12024, 33072), (12402, 32064), (13026, 30528), (14976, 26553), (15264, 26052), (16032, 24804), (16536, 24048), (17368, 22896), (17702, 22464), (18036, 22048), (18603, 21376), (19539, 20352)]