156920281976

素因数分解:

$2^3\times {\mathrm{1997}}^1\times {\mathrm{9822251}}^1$

素因数の和:9824254

約数の個数: 16

約数和(自身を含む): 294372892440

約数和(自身を除く): 137452610464

約数列:

[1, 2, 4, 8, 1997, 3994, 7988, 15976, 9822251, 19644502, 39289004, 78578008, 19615035247, 39230070494, 78460140988, 156920281976]

約数ペア:

[(1, 156920281976), (2, 78460140988), (4, 39230070494), (8, 19615035247), (1997, 78578008), (3994, 39289004), (7988, 19644502), (15976, 9822251)]