25791311

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2039}}^1$

素因数の和:2198

約数の個数: 16

約数和(自身を含む): 31987200

約数和(自身を除く): 6195889

約数列:

[1, 7, 13, 91, 139, 973, 1807, 2039, 12649, 14273, 26507, 185549, 283421, 1983947, 3684473, 25791311]

約数ペア:

[(1, 25791311), (7, 3684473), (13, 1983947), (91, 283421), (139, 185549), (973, 26507), (1807, 14273), (2039, 12649)]