65983970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 137622240

約数和(自身を除く): 71638270

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 73, 85, 130, 146, 170, 221, 365, 409, 442, 730, 818, 949, 1105, 1241, 1898, 2045, 2210, 2482, 4090, 4745, 5317, 6205, 6953, 9490, 10634, 12410, 13906, 16133, 26585, 29857, 32266, 34765, 53170, 59714, 69530, 80665, 90389, 149285, 161330, 180778, 298570, 388141, 451945, 507569, 776282, 903890, 1015138, 1940705, 2537845, 3881410, 5075690, 6598397, 13196794, 32991985, 65983970]

約数ペア:

[(1, 65983970), (2, 32991985), (5, 13196794), (10, 6598397), (13, 5075690), (17, 3881410), (26, 2537845), (34, 1940705), (65, 1015138), (73, 903890), (85, 776282), (130, 507569), (146, 451945), (170, 388141), (221, 298570), (365, 180778), (409, 161330), (442, 149285), (730, 90389), (818, 80665), (949, 69530), (1105, 59714), (1241, 53170), (1898, 34765), (2045, 32266), (2210, 29857), (2482, 26585), (4090, 16133), (4745, 13906), (5317, 12410), (6205, 10634), (6953, 9490)]