12561589871

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{216553}}^1$

素因数の和:216686

約数の個数: 16

約数和(自身を含む): 13720861440

約数和(自身を除く): 1159271569

約数列:

[1, 19, 43, 71, 817, 1349, 3053, 58007, 216553, 4114507, 9311779, 15375263, 176923801, 292129997, 661136309, 12561589871]

約数ペア:

[(1, 12561589871), (19, 661136309), (43, 292129997), (71, 176923801), (817, 15375263), (1349, 9311779), (3053, 4114507), (58007, 216553)]