28208808

素因数分解:

$2^3\times 3^2\times {\mathrm{391789}}^1$

素因数の和:391801

約数の個数: 24

約数和(自身を含む): 76399050

約数和(自身を除く): 48190242

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 391789, 783578, 1175367, 1567156, 2350734, 3134312, 3526101, 4701468, 7052202, 9402936, 14104404, 28208808]

約数ペア:

[(1, 28208808), (2, 14104404), (3, 9402936), (4, 7052202), (6, 4701468), (8, 3526101), (9, 3134312), (12, 2350734), (18, 1567156), (24, 1175367), (36, 783578), (72, 391789)]