208057655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139169}}^1$

素因数の和:139210

約数の個数: 16

約数和(自身を含む): 280566720

約数和(自身を除く): 72509065

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 139169, 695845, 1809197, 3200887, 9045985, 16004435, 41611531, 208057655]

約数ペア:

[(1, 208057655), (5, 41611531), (13, 16004435), (23, 9045985), (65, 3200887), (115, 1809197), (299, 695845), (1495, 139169)]