66546628

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{919}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 119577920

約数和(自身を除く): 53031292

約数列:

[1, 2, 4, 43, 86, 172, 421, 842, 919, 1684, 1838, 3676, 18103, 36206, 39517, 72412, 79034, 158068, 386899, 773798, 1547596, 16636657, 33273314, 66546628]

約数ペア:

[(1, 66546628), (2, 33273314), (4, 16636657), (43, 1547596), (86, 773798), (172, 386899), (421, 158068), (842, 79034), (919, 72412), (1684, 39517), (1838, 36206), (3676, 18103)]