278538962210

素因数分解:

$2^1\times 5^1\times {\mathrm{205441}}^1\times {\mathrm{135581}}^1$

素因数の和:341029

約数の個数: 16

約数和(自身を含む): 501376270392

約数和(自身を除く): 222837308182

約数列:

[1, 2, 5, 10, 135581, 205441, 271162, 410882, 677905, 1027205, 1355810, 2054410, 27853896221, 55707792442, 139269481105, 278538962210]

約数ペア:

[(1, 278538962210), (2, 139269481105), (5, 55707792442), (10, 27853896221), (135581, 2054410), (205441, 1355810), (271162, 1027205), (410882, 677905)]