64439824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{129919}}^1$

素因数の和:129958

約数の個数: 20

約数和(自身を含む): 128880640

約数和(自身を除く): 64440816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 129919, 259838, 519676, 1039352, 2078704, 4027489, 8054978, 16109956, 32219912, 64439824]

約数ペア:

[(1, 64439824), (2, 32219912), (4, 16109956), (8, 8054978), (16, 4027489), (31, 2078704), (62, 1039352), (124, 519676), (248, 259838), (496, 129919)]