28109412

素因数分解:

$2^2\times 3^2\times {\mathrm{780817}}^1$

素因数の和:780827

約数の個数: 18

約数和(自身を含む): 71054438

約数和(自身を除く): 42945026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780817, 1561634, 2342451, 3123268, 4684902, 7027353, 9369804, 14054706, 28109412]

約数ペア:

[(1, 28109412), (2, 14054706), (3, 9369804), (4, 7027353), (6, 4684902), (9, 3123268), (12, 2342451), (18, 1561634), (36, 780817)]