161021570

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{48647}}^1$

素因数の和:48985

約数の個数: 16

約数和(自身を含む): 290720448

約数和(自身を除く): 129698878

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 48647, 97294, 243235, 486470, 16102157, 32204314, 80510785, 161021570]

約数ペア:

[(1, 161021570), (2, 80510785), (5, 32204314), (10, 16102157), (331, 486470), (662, 243235), (1655, 97294), (3310, 48647)]