1278152197

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{4211}}^1$

素因数の和:4680

約数の個数: 16

約数和(自身を含む): 1476693504

約数和(自身を除く): 198541307

約数列:

[1, 7, 131, 331, 917, 2317, 4211, 29477, 43361, 303527, 551641, 1393841, 3861487, 9756887, 182593171, 1278152197]

約数ペア:

[(1, 1278152197), (7, 182593171), (131, 9756887), (331, 3861487), (917, 1393841), (2317, 551641), (4211, 303527), (29477, 43361)]