640353888

素因数分解:

$2^5\times 3^2\times {\mathrm{2223451}}^1$

素因数の和:2223467

約数の個数: 36

約数和(自身を含む): 1821007188

約数和(自身を除く): 1180653300

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 2223451, 4446902, 6670353, 8893804, 13340706, 17787608, 20011059, 26681412, 35575216, 40022118, 53362824, 71150432, 80044236, 106725648, 160088472, 213451296, 320176944, 640353888]

約数ペア:

[(1, 640353888), (2, 320176944), (3, 213451296), (4, 160088472), (6, 106725648), (8, 80044236), (9, 71150432), (12, 53362824), (16, 40022118), (18, 35575216), (24, 26681412), (32, 20011059), (36, 17787608), (48, 13340706), (72, 8893804), (96, 6670353), (144, 4446902), (288, 2223451)]