82969505

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 100989504

約数和(自身を除く): 18019999

約数列:

[1, 5, 131, 197, 643, 655, 985, 3215, 25807, 84233, 126671, 129035, 421165, 633355, 16593901, 82969505]

約数ペア:

[(1, 82969505), (5, 16593901), (131, 633355), (197, 421165), (643, 129035), (655, 126671), (985, 84233), (3215, 25807)]