28722008

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{911}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 61724160

約数和(自身を除く): 33002152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 911, 1126, 1822, 2252, 3644, 3941, 4504, 6377, 7288, 7882, 12754, 15764, 25508, 31528, 51016, 512893, 1025786, 2051572, 3590251, 4103144, 7180502, 14361004, 28722008]

約数ペア:

[(1, 28722008), (2, 14361004), (4, 7180502), (7, 4103144), (8, 3590251), (14, 2051572), (28, 1025786), (56, 512893), (563, 51016), (911, 31528), (1126, 25508), (1822, 15764), (2252, 12754), (3644, 7882), (3941, 7288), (4504, 6377)]