164071505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4013}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 230628384

約数和(自身を除く): 66556879

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 1105, 2405, 3145, 4013, 8177, 20065, 40885, 52169, 68221, 148481, 260845, 341105, 742405, 886873, 1930253, 2524177, 4434365, 9651265, 12620885, 32814301, 164071505]

約数ペア:

[(1, 164071505), (5, 32814301), (13, 12620885), (17, 9651265), (37, 4434365), (65, 2524177), (85, 1930253), (185, 886873), (221, 742405), (481, 341105), (629, 260845), (1105, 148481), (2405, 68221), (3145, 52169), (4013, 40885), (8177, 20065)]