640274088

素因数分解:

$2^3\times 3^1\times {\mathrm{3257}}^1\times {\mathrm{8191}}^1$

素因数の和:11457

約数の個数: 32

約数和(自身を含む): 1601372160

約数和(自身を除く): 961098072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 3257, 6514, 8191, 9771, 13028, 16382, 19542, 24573, 26056, 32764, 39084, 49146, 65528, 78168, 98292, 196584, 26678087, 53356174, 80034261, 106712348, 160068522, 213424696, 320137044, 640274088]

約数ペア:

[(1, 640274088), (2, 320137044), (3, 213424696), (4, 160068522), (6, 106712348), (8, 80034261), (12, 53356174), (24, 26678087), (3257, 196584), (6514, 98292), (8191, 78168), (9771, 65528), (13028, 49146), (16382, 39084), (19542, 32764), (24573, 26056)]