257512324

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{20431}}^1$

素因数の和:20595

約数の個数: 24

約数和(自身を含む): 473695488

約数和(自身を除く): 216183164

約数列:

[1, 2, 4, 23, 46, 92, 137, 274, 548, 3151, 6302, 12604, 20431, 40862, 81724, 469913, 939826, 1879652, 2799047, 5598094, 11196188, 64378081, 128756162, 257512324]

約数ペア:

[(1, 257512324), (2, 128756162), (4, 64378081), (23, 11196188), (46, 5598094), (92, 2799047), (137, 1879652), (274, 939826), (548, 469913), (3151, 81724), (6302, 40862), (12604, 20431)]