157591985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1\times {\mathrm{1297}}^1$

素因数の和:2600

約数の個数: 16

約数和(自身を含む): 199372800

約数和(自身を除く): 41780815

約数列:

[1, 5, 19, 95, 1279, 1297, 6395, 6485, 24301, 24643, 121505, 123215, 1658863, 8294315, 31518397, 157591985]

約数ペア:

[(1, 157591985), (5, 31518397), (19, 8294315), (95, 1658863), (1279, 123215), (1297, 121505), (6395, 24643), (6485, 24301)]