64684718

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{20719}}^1$

素因数の和:20951

約数の個数: 16

約数和(自身を含む): 111390720

約数和(自身を除く): 46706002

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 20719, 41438, 145033, 290066, 4620337, 9240674, 32342359, 64684718]

約数ペア:

[(1, 64684718), (2, 32342359), (7, 9240674), (14, 4620337), (223, 290066), (446, 145033), (1561, 41438), (3122, 20719)]