2013129391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{17971}}^1$

素因数の和:19222

約数の個数: 16

約数和(自身を含む): 2479848448

約数和(自身を除く): 466719057

約数列:

[1, 7, 13, 91, 1231, 8617, 16003, 17971, 112021, 125797, 233623, 1635361, 22122301, 154856107, 287589913, 2013129391]

約数ペア:

[(1, 2013129391), (7, 287589913), (13, 154856107), (91, 22122301), (1231, 1635361), (8617, 233623), (16003, 125797), (17971, 112021)]