31870310

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 59238432

約数和(自身を除く): 27368122

約数列:

[1, 2, 5, 10, 43, 86, 137, 215, 274, 430, 541, 685, 1082, 1370, 2705, 5410, 5891, 11782, 23263, 29455, 46526, 58910, 74117, 116315, 148234, 232630, 370585, 741170, 3187031, 6374062, 15935155, 31870310]

約数ペア:

[(1, 31870310), (2, 15935155), (5, 6374062), (10, 3187031), (43, 741170), (86, 370585), (137, 232630), (215, 148234), (274, 116315), (430, 74117), (541, 58910), (685, 46526), (1082, 29455), (1370, 23263), (2705, 11782), (5410, 5891)]