15980974

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:807

約数の個数: 16

約数和(自身を含む): 24480000

約数和(自身を除く): 8499026

約数列:

[1, 2, 67, 134, 239, 478, 499, 998, 16013, 32026, 33433, 66866, 119261, 238522, 7990487, 15980974]

約数ペア:

[(1, 15980974), (2, 7990487), (67, 238522), (134, 119261), (239, 66866), (478, 33433), (499, 32026), (998, 16013)]