127645804784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{21871}}^1$

素因数の和:22438

約数の個数: 80

約数和(自身を含む): 268500672000

約数和(自身を除く): 140854867216

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 499, 688, 731, 998, 1462, 1996, 2924, 3992, 5848, 7984, 8483, 11696, 16966, 21457, 21871, 33932, 42914, 43742, 67864, 85828, 87484, 135728, 171656, 174968, 343312, 349936, 364769, 371807, 729538, 743614, 940453, 1459076, 1487228, 1880906, 2918152, 2974456, 3761812, 5836304, 5948912, 7523624, 10913629, 15047248, 15987701, 21827258, 31975402, 43654516, 63950804, 87309032, 127901608, 174618064, 185531693, 255803216, 371063386, 469286047, 742126772, 938572094, 1484253544, 1877144188, 2968507088, 3754288376, 7508576752, 7977862799, 15955725598, 31911451196, 63822902392, 127645804784]

約数ペア:

[(1, 127645804784), (2, 63822902392), (4, 31911451196), (8, 15955725598), (16, 7977862799), (17, 7508576752), (34, 3754288376), (43, 2968507088), (68, 1877144188), (86, 1484253544), (136, 938572094), (172, 742126772), (272, 469286047), (344, 371063386), (499, 255803216), (688, 185531693), (731, 174618064), (998, 127901608), (1462, 87309032), (1996, 63950804), (2924, 43654516), (3992, 31975402), (5848, 21827258), (7984, 15987701), (8483, 15047248), (11696, 10913629), (16966, 7523624), (21457, 5948912), (21871, 5836304), (33932, 3761812), (42914, 2974456), (43742, 2918152), (67864, 1880906), (85828, 1487228), (87484, 1459076), (135728, 940453), (171656, 743614), (174968, 729538), (343312, 371807), (349936, 364769)]