131371610

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^2\times {\mathrm{401}}^1$

素因数の和:770

約数の個数: 24

約数和(自身を含む): 238375548

約数和(自身を除く): 107003938

約数列:

[1, 2, 5, 10, 181, 362, 401, 802, 905, 1810, 2005, 4010, 32761, 65522, 72581, 145162, 163805, 327610, 362905, 725810, 13137161, 26274322, 65685805, 131371610]

約数ペア:

[(1, 131371610), (2, 65685805), (5, 26274322), (10, 13137161), (181, 725810), (362, 362905), (401, 327610), (802, 163805), (905, 145162), (1810, 72581), (2005, 65522), (4010, 32761)]