28388.0000000

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3491}}^1$

素因数の和:3612

約数の個数: 16

約数和(自身を含む): 9554112

約数和(自身を除く): 3636867

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 3491, 10473, 17455, 52365, 394483, 1183449, 1972415, 5917245]

約数ペア:

[(1, 5917245), (3, 1972415), (5, 1183449), (15, 394483), (113, 52365), (339, 17455), (565, 10473), (1695, 3491)]