256901953

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10141}}^1$

素因数の和:10213

約数の個数: 24

約数和(自身を含む): 332982144

約数和(自身を除く): 76080191

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 2303, 3619, 10141, 25333, 70987, 111551, 476627, 496909, 780857, 3336389, 5242897, 5465999, 23354723, 36700279, 256901953]

約数ペア:

[(1, 256901953), (7, 36700279), (11, 23354723), (47, 5465999), (49, 5242897), (77, 3336389), (329, 780857), (517, 496909), (539, 476627), (2303, 111551), (3619, 70987), (10141, 25333)]