220139969

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{6871}}^1$

素因数の和:7100

約数の個数: 16

約数和(自身を含む): 263884800

約数和(自身を除く): 43744831

約数列:

[1, 7, 23, 161, 199, 1393, 4577, 6871, 32039, 48097, 158033, 1106231, 1367329, 9571303, 31448567, 220139969]

約数ペア:

[(1, 220139969), (7, 31448567), (23, 9571303), (161, 1367329), (199, 1106231), (1393, 158033), (4577, 48097), (6871, 32039)]