81195766

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1\times {\mathrm{2687}}^1$

素因数の和:3239

約数の個数: 16

約数和(自身を含む): 126282240

約数和(自身を除く): 45086474

約数列:

[1, 2, 29, 58, 521, 1042, 2687, 5374, 15109, 30218, 77923, 155846, 1399927, 2799854, 40597883, 81195766]

約数ペア:

[(1, 81195766), (2, 40597883), (29, 2799854), (58, 1399927), (521, 155846), (1042, 77923), (2687, 30218), (5374, 15109)]