81670774

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{5171}}^1$

素因数の和:5375

約数の個数: 16

約数和(自身を含む): 125679600

約数和(自身を除く): 44008826

約数列:

[1, 2, 53, 106, 149, 298, 5171, 7897, 10342, 15794, 274063, 548126, 770479, 1540958, 40835387, 81670774]

約数ペア:

[(1, 81670774), (2, 40835387), (53, 1540958), (106, 770479), (149, 548126), (298, 274063), (5171, 15794), (7897, 10342)]