25816609

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 32383680

約数和(自身を除く): 6567071

約数列:

[1, 7, 13, 91, 139, 157, 169, 973, 1099, 1183, 1807, 2041, 12649, 14287, 21823, 23491, 26533, 152761, 164437, 185731, 283699, 1985893, 3688087, 25816609]

約数ペア:

[(1, 25816609), (7, 3688087), (13, 1985893), (91, 283699), (139, 185731), (157, 164437), (169, 152761), (973, 26533), (1099, 23491), (1183, 21823), (1807, 14287), (2041, 12649)]