64685804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{2081}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 119506800

約数和(自身を除く): 54820996

約数列:

[1, 2, 4, 19, 38, 76, 409, 818, 1636, 2081, 4162, 7771, 8324, 15542, 31084, 39539, 79078, 158156, 851129, 1702258, 3404516, 16171451, 32342902, 64685804]

約数ペア:

[(1, 64685804), (2, 32342902), (4, 16171451), (19, 3404516), (38, 1702258), (76, 851129), (409, 158156), (818, 79078), (1636, 39539), (2081, 31084), (4162, 15542), (7771, 8324)]