278314010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2140877}}^1$

素因数の和:2140897

約数の個数: 16

約数和(自身を含む): 539501256

約数和(自身を除く): 261187246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2140877, 4281754, 10704385, 21408770, 27831401, 55662802, 139157005, 278314010]

約数ペア:

[(1, 278314010), (2, 139157005), (5, 55662802), (10, 27831401), (13, 21408770), (26, 10704385), (65, 4281754), (130, 2140877)]