491437570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{6311}}^1$

素因数の和:6930

約数の個数: 32

約数和(自身を含む): 954374400

約数和(自身を除く): 462936830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 599, 1198, 2995, 5990, 6311, 7787, 12622, 15574, 31555, 38935, 63110, 77870, 82043, 164086, 410215, 820430, 3780289, 7560578, 18901445, 37802890, 49143757, 98287514, 245718785, 491437570]

約数ペア:

[(1, 491437570), (2, 245718785), (5, 98287514), (10, 49143757), (13, 37802890), (26, 18901445), (65, 7560578), (130, 3780289), (599, 820430), (1198, 410215), (2995, 164086), (5990, 82043), (6311, 77870), (7787, 63110), (12622, 38935), (15574, 31555)]