201656405

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{111721}}^1$

素因数の和:111764

約数の個数: 12

約数和(自身を含む): 255396492

約数和(自身を除く): 53740087

約数列:

[1, 5, 19, 95, 361, 1805, 111721, 558605, 2122699, 10613495, 40331281, 201656405]

約数ペア:

[(1, 201656405), (5, 40331281), (19, 10613495), (95, 2122699), (361, 558605), (1805, 111721)]