257176916

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{4261}}^1$

素因数の和:4535

約数の個数: 24

約数和(自身を含む): 458250240

約数和(自身を除く): 201073324

約数列:

[1, 2, 4, 79, 158, 191, 316, 382, 764, 4261, 8522, 15089, 17044, 30178, 60356, 336619, 673238, 813851, 1346476, 1627702, 3255404, 64294229, 128588458, 257176916]

約数ペア:

[(1, 257176916), (2, 128588458), (4, 64294229), (79, 3255404), (158, 1627702), (191, 1346476), (316, 813851), (382, 673238), (764, 336619), (4261, 60356), (8522, 30178), (15089, 17044)]