31629521

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 8589679

約数列:

[1, 7, 11, 77, 107, 121, 349, 749, 847, 1177, 2443, 3839, 8239, 12947, 26873, 37343, 42229, 90629, 261401, 295603, 410773, 2875411, 4518503, 31629521]

約数ペア:

[(1, 31629521), (7, 4518503), (11, 2875411), (77, 410773), (107, 295603), (121, 261401), (349, 90629), (749, 42229), (847, 37343), (1177, 26873), (2443, 12947), (3839, 8239)]