28368964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1721}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 53664408

約数和(自身を除く): 25295444

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 1268, 1721, 3442, 4121, 6884, 8242, 16484, 22373, 44746, 89492, 545557, 1091114, 2182228, 7092241, 14184482, 28368964]

約数ペア:

[(1, 28368964), (2, 14184482), (4, 7092241), (13, 2182228), (26, 1091114), (52, 545557), (317, 89492), (634, 44746), (1268, 22373), (1721, 16484), (3442, 8242), (4121, 6884)]