64921724

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{22511}}^1$

素因数の和:22625

約数の個数: 24

約数和(自身を含む): 131109888

約数和(自身を除く): 66188164

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 22511, 45022, 90044, 157577, 315154, 630308, 2318633, 4637266, 9274532, 16230431, 32460862, 64921724]

約数ペア:

[(1, 64921724), (2, 32460862), (4, 16230431), (7, 9274532), (14, 4637266), (28, 2318633), (103, 630308), (206, 315154), (412, 157577), (721, 90044), (1442, 45022), (2884, 22511)]