381581330455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{53233}}^1$

素因数の和:53780

約数の個数: 48

約数和(自身を含む): 526058388000

約数和(自身を除く): 144477057545

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 499, 845, 1105, 2495, 2873, 6487, 8483, 14365, 32435, 42415, 53233, 84331, 110279, 266165, 421655, 551395, 692029, 904961, 1433627, 3460145, 4524805, 7168135, 8996377, 11764493, 26563267, 44981885, 58822465, 132816335, 152938409, 345322471, 451575539, 764692045, 1726612355, 2257877695, 4489192123, 5870482007, 22445960615, 29352410035, 76316266091, 381581330455]

約数ペア:

[(1, 381581330455), (5, 76316266091), (13, 29352410035), (17, 22445960615), (65, 5870482007), (85, 4489192123), (169, 2257877695), (221, 1726612355), (499, 764692045), (845, 451575539), (1105, 345322471), (2495, 152938409), (2873, 132816335), (6487, 58822465), (8483, 44981885), (14365, 26563267), (32435, 11764493), (42415, 8996377), (53233, 7168135), (84331, 4524805), (110279, 3460145), (266165, 1433627), (421655, 904961), (551395, 692029)]