78271570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 162642816

約数和(自身を除く): 84371246

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 107, 130, 170, 214, 221, 331, 442, 535, 662, 1070, 1105, 1391, 1655, 1819, 2210, 2782, 3310, 3638, 4303, 5627, 6955, 8606, 9095, 11254, 13910, 18190, 21515, 23647, 28135, 35417, 43030, 47294, 56270, 70834, 73151, 118235, 146302, 177085, 236470, 354170, 365755, 460421, 602089, 731510, 920842, 1204178, 2302105, 3010445, 4604210, 6020890, 7827157, 15654314, 39135785, 78271570]

約数ペア:

[(1, 78271570), (2, 39135785), (5, 15654314), (10, 7827157), (13, 6020890), (17, 4604210), (26, 3010445), (34, 2302105), (65, 1204178), (85, 920842), (107, 731510), (130, 602089), (170, 460421), (214, 365755), (221, 354170), (331, 236470), (442, 177085), (535, 146302), (662, 118235), (1070, 73151), (1105, 70834), (1391, 56270), (1655, 47294), (1819, 43030), (2210, 35417), (2782, 28135), (3310, 23647), (3638, 21515), (4303, 18190), (5627, 13910), (6955, 11254), (8606, 9095)]