159721816

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{31147}}^1$

素因数の和:31794

約数の個数: 16

約数和(自身を含む): 299955240

約数和(自身を除く): 140233424

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 31147, 62294, 124588, 249176, 19965227, 39930454, 79860908, 159721816]

約数ペア:

[(1, 159721816), (2, 79860908), (4, 39930454), (8, 19965227), (641, 249176), (1282, 124588), (2564, 62294), (5128, 31147)]