31391722

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{1571}}^1$

素因数の和:1773

約数の個数: 16

約数和(自身を含む): 48065472

約数和(自身を除く): 16673750

約数列:

[1, 2, 97, 103, 194, 206, 1571, 3142, 9991, 19982, 152387, 161813, 304774, 323626, 15695861, 31391722]

約数ペア:

[(1, 31391722), (2, 15695861), (97, 323626), (103, 304774), (194, 161813), (206, 152387), (1571, 19982), (3142, 9991)]