12921578

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:613

約数の個数: 16

約数和(自身を含む): 19720800

約数和(自身を除く): 6799222

約数列:

[1, 2, 131, 149, 262, 298, 331, 662, 19519, 39038, 43361, 49319, 86722, 98638, 6460789, 12921578]

約数ペア:

[(1, 12921578), (2, 6460789), (131, 98638), (149, 86722), (262, 49319), (298, 43361), (331, 39038), (662, 19519)]