31159970

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{39443}}^1$

素因数の和:39529

約数の個数: 16

約数和(自身を含む): 56799360

約数和(自身を除く): 25639390

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 39443, 78886, 197215, 394430, 3115997, 6231994, 15579985, 31159970]

約数ペア:

[(1, 31159970), (2, 15579985), (5, 6231994), (10, 3115997), (79, 394430), (158, 197215), (395, 78886), (790, 39443)]