251238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3239

約数の個数: 16

約数和(自身を含む): 541296

約数和(自身を除く): 290058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 3221, 6442, 9663, 19326, 41873, 83746, 125619, 251238]

約数ペア:

[(1, 251238), (2, 125619), (3, 83746), (6, 41873), (13, 19326), (26, 9663), (39, 6442), (78, 3221)]