664694238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{655517}}^1$

素因数の和:655548

約数の個数: 24

約数和(自身を含む): 1439517528

約数和(自身を除く): 774823290

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 655517, 1311034, 1966551, 3933102, 8521721, 17043442, 25565163, 51130326, 110782373, 221564746, 332347119, 664694238]

約数ペア:

[(1, 664694238), (2, 332347119), (3, 221564746), (6, 110782373), (13, 51130326), (26, 25565163), (39, 17043442), (78, 8521721), (169, 3933102), (338, 1966551), (507, 1311034), (1014, 655517)]