28105818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1867}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 60881856

約数和(自身を除く): 32776038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 1158, 1867, 2509, 3734, 5018, 5601, 7527, 11202, 15054, 24271, 48542, 72813, 145626, 360331, 720662, 1080993, 2161986, 4684303, 9368606, 14052909, 28105818]

約数ペア:

[(1, 28105818), (2, 14052909), (3, 9368606), (6, 4684303), (13, 2161986), (26, 1080993), (39, 720662), (78, 360331), (193, 145626), (386, 72813), (579, 48542), (1158, 24271), (1867, 15054), (2509, 11202), (3734, 7527), (5018, 5601)]