78886405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{32801}}^1$

素因数の和:32856

約数の個数: 16

約数和(自身を含む): 104703984

約数和(自身を除く): 25817579

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 32801, 164005, 426413, 1213637, 2132065, 6068185, 15777281, 78886405]

約数ペア:

[(1, 78886405), (5, 15777281), (13, 6068185), (37, 2132065), (65, 1213637), (185, 426413), (481, 164005), (2405, 32801)]