201569404

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139591}}^1$

素因数の和:139633

約数の個数: 18

約数和(自身を含む): 372291864

約数和(自身を除く): 170722460

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 139591, 279182, 558364, 2652229, 5304458, 10608916, 50392351, 100784702, 201569404]

約数ペア:

[(1, 201569404), (2, 100784702), (4, 50392351), (19, 10608916), (38, 5304458), (76, 2652229), (361, 558364), (722, 279182), (1444, 139591)]