31212742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{17959}}^1$

素因数の和:18051

約数の個数: 16

約数和(自身を含む): 51724800

約数和(自身を除く): 20512058

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 17959, 35918, 197549, 395098, 1418761, 2837522, 15606371, 31212742]

約数ペア:

[(1, 31212742), (2, 15606371), (11, 2837522), (22, 1418761), (79, 395098), (158, 197549), (869, 35918), (1738, 17959)]