257998416

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 773283840

約数和(自身を除く): 515285424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 47, 48, 52, 57, 76, 78, 94, 104, 114, 141, 152, 156, 188, 208, 228, 247, 282, 304, 312, 376, 456, 463, 494, 564, 611, 624, 741, 752, 893, 912, 926, 988, 1128, 1222, 1389, 1482, 1786, 1833, 1852, 1976, 2256, 2444, 2679, 2778, 2964, 3572, 3666, 3704, 3952, 4888, 5358, 5556, 5928, 6019, 7144, 7332, 7408, 8797, 9776, 10716, 11112, 11609, 11856, 12038, 14288, 14664, 17594, 18057, 21432, 21761, 22224, 23218, 24076, 26391, 29328, 34827, 35188, 36114, 42864, 43522, 46436, 48152, 52782, 65283, 69654, 70376, 72228, 87044, 92872, 96304, 105564, 114361, 130566, 139308, 140752, 144456, 174088, 185744, 211128, 228722, 261132, 278616, 282893, 288912, 343083, 348176, 413459, 422256, 457444, 522264, 557232, 565786, 686166, 826918, 848679, 914888, 1044528, 1131572, 1240377, 1372332, 1653836, 1697358, 1829776, 2263144, 2480754, 2744664, 3307672, 3394716, 4526288, 4961508, 5374967, 5489328, 6615344, 6789432, 9923016, 10749934, 13578864, 16124901, 19846032, 21499868, 32249802, 42999736, 64499604, 85999472, 128999208, 257998416]

約数ペア:

[(1, 257998416), (2, 128999208), (3, 85999472), (4, 64499604), (6, 42999736), (8, 32249802), (12, 21499868), (13, 19846032), (16, 16124901), (19, 13578864), (24, 10749934), (26, 9923016), (38, 6789432), (39, 6615344), (47, 5489328), (48, 5374967), (52, 4961508), (57, 4526288), (76, 3394716), (78, 3307672), (94, 2744664), (104, 2480754), (114, 2263144), (141, 1829776), (152, 1697358), (156, 1653836), (188, 1372332), (208, 1240377), (228, 1131572), (247, 1044528), (282, 914888), (304, 848679), (312, 826918), (376, 686166), (456, 565786), (463, 557232), (494, 522264), (564, 457444), (611, 422256), (624, 413459), (741, 348176), (752, 343083), (893, 288912), (912, 282893), (926, 278616), (988, 261132), (1128, 228722), (1222, 211128), (1389, 185744), (1482, 174088), (1786, 144456), (1833, 140752), (1852, 139308), (1976, 130566), (2256, 114361), (2444, 105564), (2679, 96304), (2778, 92872), (2964, 87044), (3572, 72228), (3666, 70376), (3704, 69654), (3952, 65283), (4888, 52782), (5358, 48152), (5556, 46436), (5928, 43522), (6019, 42864), (7144, 36114), (7332, 35188), (7408, 34827), (8797, 29328), (9776, 26391), (10716, 24076), (11112, 23218), (11609, 22224), (11856, 21761), (12038, 21432), (14288, 18057), (14664, 17594)]