64670396

素因数分解:

$2^2\times 7^2\times {\mathrm{329951}}^1$

素因数の和:329969

約数の個数: 18

約数和(自身を含む): 131650848

約数和(自身を除く): 66980452

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 329951, 659902, 1319804, 2309657, 4619314, 9238628, 16167599, 32335198, 64670396]

約数ペア:

[(1, 64670396), (2, 32335198), (4, 16167599), (7, 9238628), (14, 4619314), (28, 2309657), (49, 1319804), (98, 659902), (196, 329951)]