31128207901

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{342833}}^1$

素因数の和:342973

約数の個数: 24

約数和(自身を含む): 38692245240

約数和(自身を除く): 7564037339

約数列:

[1, 7, 17, 49, 109, 119, 763, 833, 1853, 5341, 12971, 90797, 342833, 2399831, 5828161, 16798817, 37368797, 40797127, 261581579, 285579889, 635269549, 1831071053, 4446886843, 31128207901]

約数ペア:

[(1, 31128207901), (7, 4446886843), (17, 1831071053), (49, 635269549), (109, 285579889), (119, 261581579), (763, 40797127), (833, 37368797), (1853, 16798817), (5341, 5828161), (12971, 2399831), (90797, 342833)]