28920710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 65245824

約数和(自身を除く): 36325114

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 182, 305, 427, 455, 521, 610, 793, 854, 910, 1042, 1586, 2135, 2605, 3647, 3965, 4270, 5210, 5551, 6773, 7294, 7930, 11102, 13546, 18235, 27755, 31781, 33865, 36470, 47411, 55510, 63562, 67730, 94822, 158905, 222467, 237055, 317810, 413153, 444934, 474110, 826306, 1112335, 2065765, 2224670, 2892071, 4131530, 5784142, 14460355, 28920710]

約数ペア:

[(1, 28920710), (2, 14460355), (5, 5784142), (7, 4131530), (10, 2892071), (13, 2224670), (14, 2065765), (26, 1112335), (35, 826306), (61, 474110), (65, 444934), (70, 413153), (91, 317810), (122, 237055), (130, 222467), (182, 158905), (305, 94822), (427, 67730), (455, 63562), (521, 55510), (610, 47411), (793, 36470), (854, 33865), (910, 31781), (1042, 27755), (1586, 18235), (2135, 13546), (2605, 11102), (3647, 7930), (3965, 7294), (4270, 6773), (5210, 5551)]