40003998

素因数分解:

$2^1\times 3^1\times {\mathrm{331}}^1\times {\mathrm{20143}}^1$

素因数の和:20479

約数の個数: 16

約数和(自身を含む): 80253696

約数和(自身を除く): 40249698

約数列:

[1, 2, 3, 6, 331, 662, 993, 1986, 20143, 40286, 60429, 120858, 6667333, 13334666, 20001999, 40003998]

約数ペア:

[(1, 40003998), (2, 20001999), (3, 13334666), (6, 6667333), (331, 120858), (662, 60429), (993, 40286), (1986, 20143)]