256502876

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{194911}}^1$

素因数の和:194969

約数の個数: 24

約数和(自身を含む): 523923456

約数和(自身を除く): 267420580

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 194911, 389822, 779644, 1364377, 2728754, 5457508, 9160817, 18321634, 36643268, 64125719, 128251438, 256502876]

約数ペア:

[(1, 256502876), (2, 128251438), (4, 64125719), (7, 36643268), (14, 18321634), (28, 9160817), (47, 5457508), (94, 2728754), (188, 1364377), (329, 779644), (658, 389822), (1316, 194911)]