256210717

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 296423424

約数和(自身を除く): 40212707

約数列:

[1, 7, 131, 271, 917, 1031, 1897, 7217, 35501, 135061, 248507, 279401, 945427, 1955807, 36601531, 256210717]

約数ペア:

[(1, 256210717), (7, 36601531), (131, 1955807), (271, 945427), (917, 279401), (1031, 248507), (1897, 135061), (7217, 35501)]