64957774

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 113757696

約数和(自身を除く): 48799922

約数列:

[1, 2, 7, 14, 103, 107, 206, 214, 421, 721, 749, 842, 1442, 1498, 2947, 5894, 11021, 22042, 43363, 45047, 77147, 86726, 90094, 154294, 303541, 315329, 607082, 630658, 4639841, 9279682, 32478887, 64957774]

約数ペア:

[(1, 64957774), (2, 32478887), (7, 9279682), (14, 4639841), (103, 630658), (107, 607082), (206, 315329), (214, 303541), (421, 154294), (721, 90094), (749, 86726), (842, 77147), (1442, 45047), (1498, 43363), (2947, 22042), (5894, 11021)]