31870225

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 40979520

約数和(自身を除く): 9109295

約数列:

[1, 5, 25, 53, 67, 265, 335, 359, 1325, 1675, 1795, 3551, 8975, 17755, 19027, 24053, 88775, 95135, 120265, 475675, 601325, 1274809, 6374045, 31870225]

約数ペア:

[(1, 31870225), (5, 6374045), (25, 1274809), (53, 601325), (67, 475675), (265, 120265), (335, 95135), (359, 88775), (1325, 24053), (1675, 19027), (1795, 17755), (3551, 8975)]