161820131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{3323}}^1$

素因数の和:3586

約数の個数: 16

約数和(自身を含む): 186675840

約数和(自身を除く): 24855709

約数列:

[1, 11, 19, 209, 233, 2563, 3323, 4427, 36553, 48697, 63137, 694507, 774259, 8516849, 14710921, 161820131]

約数ペア:

[(1, 161820131), (11, 14710921), (19, 8516849), (209, 774259), (233, 694507), (2563, 63137), (3323, 48697), (4427, 36553)]