168686860

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{5431}}^1$

素因数の和:6993

約数の個数: 24

約数和(自身を含む): 354535776

約数和(自身を除く): 185848916

約数列:

[1, 2, 4, 5, 10, 20, 1553, 3106, 5431, 6212, 7765, 10862, 15530, 21724, 27155, 31060, 54310, 108620, 8434343, 16868686, 33737372, 42171715, 84343430, 168686860]

約数ペア:

[(1, 168686860), (2, 84343430), (4, 42171715), (5, 33737372), (10, 16868686), (20, 8434343), (1553, 108620), (3106, 54310), (5431, 31060), (6212, 27155), (7765, 21724), (10862, 15530)]