131666688

素因数分解:

$2^8\times 3^3\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 144

約数和(自身を含む): 399315840

約数和(自身を除く): 267649152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 86, 96, 108, 128, 129, 144, 172, 192, 216, 256, 258, 288, 344, 384, 387, 432, 443, 516, 576, 688, 768, 774, 864, 886, 1032, 1152, 1161, 1329, 1376, 1548, 1728, 1772, 2064, 2304, 2322, 2658, 2752, 3096, 3456, 3544, 3987, 4128, 4644, 5316, 5504, 6192, 6912, 7088, 7974, 8256, 9288, 10632, 11008, 11961, 12384, 14176, 15948, 16512, 18576, 19049, 21264, 23922, 24768, 28352, 31896, 33024, 37152, 38098, 42528, 47844, 49536, 56704, 57147, 63792, 74304, 76196, 85056, 95688, 99072, 113408, 114294, 127584, 148608, 152392, 170112, 171441, 191376, 228588, 255168, 297216, 304784, 340224, 342882, 382752, 457176, 510336, 514323, 609568, 685764, 765504, 914352, 1020672, 1028646, 1219136, 1371528, 1531008, 1828704, 2057292, 2438272, 2743056, 3062016, 3657408, 4114584, 4876544, 5486112, 7314816, 8229168, 10972224, 14629632, 16458336, 21944448, 32916672, 43888896, 65833344, 131666688]

約数ペア:

[(1, 131666688), (2, 65833344), (3, 43888896), (4, 32916672), (6, 21944448), (8, 16458336), (9, 14629632), (12, 10972224), (16, 8229168), (18, 7314816), (24, 5486112), (27, 4876544), (32, 4114584), (36, 3657408), (43, 3062016), (48, 2743056), (54, 2438272), (64, 2057292), (72, 1828704), (86, 1531008), (96, 1371528), (108, 1219136), (128, 1028646), (129, 1020672), (144, 914352), (172, 765504), (192, 685764), (216, 609568), (256, 514323), (258, 510336), (288, 457176), (344, 382752), (384, 342882), (387, 340224), (432, 304784), (443, 297216), (516, 255168), (576, 228588), (688, 191376), (768, 171441), (774, 170112), (864, 152392), (886, 148608), (1032, 127584), (1152, 114294), (1161, 113408), (1329, 99072), (1376, 95688), (1548, 85056), (1728, 76196), (1772, 74304), (2064, 63792), (2304, 57147), (2322, 56704), (2658, 49536), (2752, 47844), (3096, 42528), (3456, 38098), (3544, 37152), (3987, 33024), (4128, 31896), (4644, 28352), (5316, 24768), (5504, 23922), (6192, 21264), (6912, 19049), (7088, 18576), (7974, 16512), (8256, 15948), (9288, 14176), (10632, 12384), (11008, 11961)]