168221212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{7877}}^1$

素因数の和:8181

約数の個数: 24

約数和(自身を含む): 311023440

約数和(自身を除く): 142802228

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 1124, 5339, 7877, 10678, 15754, 21356, 31508, 149663, 299326, 598652, 2213437, 4426874, 8853748, 42055303, 84110606, 168221212]

約数ペア:

[(1, 168221212), (2, 84110606), (4, 42055303), (19, 8853748), (38, 4426874), (76, 2213437), (281, 598652), (562, 299326), (1124, 149663), (5339, 31508), (7877, 21356), (10678, 15754)]