131301919

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 158094288

約数和(自身を除く): 26792369

約数列:

[1, 7, 43, 49, 101, 301, 617, 707, 2107, 4319, 4343, 4949, 26531, 30233, 30401, 62317, 185717, 212807, 436219, 1300019, 2679631, 3053533, 18757417, 131301919]

約数ペア:

[(1, 131301919), (7, 18757417), (43, 3053533), (49, 2679631), (101, 1300019), (301, 436219), (617, 212807), (707, 185717), (2107, 62317), (4319, 30401), (4343, 30233), (4949, 26531)]