64494508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40009}}^1$

素因数の和:40057

約数の個数: 24

約数和(自身を含む): 125471360

約数和(自身を除く): 60976852

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 40009, 80018, 160036, 520117, 1040234, 1240279, 2080468, 2480558, 4961116, 16123627, 32247254, 64494508]

約数ペア:

[(1, 64494508), (2, 32247254), (4, 16123627), (13, 4961116), (26, 2480558), (31, 2080468), (52, 1240279), (62, 1040234), (124, 520117), (403, 160036), (806, 80018), (1612, 40009)]