257041655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{55697}}^1$

素因数の和:55786

約数の個数: 16

約数和(自身を含む): 336861504

約数和(自身を除く): 79819849

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 55697, 278485, 724061, 3620305, 3954487, 19772435, 51408331, 257041655]

約数ペア:

[(1, 257041655), (5, 51408331), (13, 19772435), (65, 3954487), (71, 3620305), (355, 724061), (923, 278485), (4615, 55697)]