28733432

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 68644800

約数和(自身を除く): 39911368

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1361, 1508, 1624, 2639, 2722, 3016, 5278, 5444, 9527, 10556, 10888, 17693, 19054, 21112, 35386, 38108, 39469, 70772, 76216, 78938, 123851, 141544, 157876, 247702, 276283, 315752, 495404, 513097, 552566, 990808, 1026194, 1105132, 2052388, 2210264, 3591679, 4104776, 7183358, 14366716, 28733432]

約数ペア:

[(1, 28733432), (2, 14366716), (4, 7183358), (7, 4104776), (8, 3591679), (13, 2210264), (14, 2052388), (26, 1105132), (28, 1026194), (29, 990808), (52, 552566), (56, 513097), (58, 495404), (91, 315752), (104, 276283), (116, 247702), (182, 157876), (203, 141544), (232, 123851), (364, 78938), (377, 76216), (406, 70772), (728, 39469), (754, 38108), (812, 35386), (1361, 21112), (1508, 19054), (1624, 17693), (2639, 10888), (2722, 10556), (3016, 9527), (5278, 5444)]