78221129

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 90604800

約数和(自身を除く): 12383671

約数列:

[1, 7, 199, 233, 241, 1393, 1631, 1687, 46367, 47959, 56153, 324569, 335713, 393071, 11174447, 78221129]

約数ペア:

[(1, 78221129), (7, 11174447), (199, 393071), (233, 335713), (241, 324569), (1393, 56153), (1631, 47959), (1687, 46367)]