16121189

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 18892800

約数和(自身を除く): 2771611

約数列:

[1, 7, 71, 163, 199, 497, 1141, 1393, 11573, 14129, 32437, 81011, 98903, 227059, 2303027, 16121189]

約数ペア:

[(1, 16121189), (7, 2303027), (71, 227059), (163, 98903), (199, 81011), (497, 32437), (1141, 14129), (1393, 11573)]