28127556

素因数分解:

$2^2\times 3^2\times {\mathrm{781321}}^1$

素因数の和:781331

約数の個数: 18

約数和(自身を含む): 71100302

約数和(自身を除く): 42972746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781321, 1562642, 2343963, 3125284, 4687926, 7031889, 9375852, 14063778, 28127556]

約数ペア:

[(1, 28127556), (2, 14063778), (3, 9375852), (4, 7031889), (6, 4687926), (9, 3125284), (12, 2343963), (18, 1562642), (36, 781321)]