257465957

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{2657}}^1$

素因数の和:2900

約数の個数: 16

約数和(自身を含む): 299397120

約数和(自身を除く): 41931163

約数列:

[1, 7, 109, 127, 763, 889, 2657, 13843, 18599, 96901, 289613, 337439, 2027291, 2362073, 36780851, 257465957]

約数ペア:

[(1, 257465957), (7, 36780851), (109, 2362073), (127, 2027291), (763, 337439), (889, 289613), (2657, 96901), (13843, 18599)]