2558998

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 4255848

約数和(自身を除く): 1696850

約数列:

[1, 2, 13, 26, 67, 113, 134, 169, 226, 338, 871, 1469, 1742, 2938, 7571, 11323, 15142, 19097, 22646, 38194, 98423, 196846, 1279499, 2558998]

約数ペア:

[(1, 2558998), (2, 1279499), (13, 196846), (26, 98423), (67, 38194), (113, 22646), (134, 19097), (169, 15142), (226, 11323), (338, 7571), (871, 2938), (1469, 1742)]