28350290

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{4289}}^1$

素因数の和:4957

約数の個数: 16

約数和(自身を含む): 51119640

約数和(自身を除く): 22769350

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 4289, 6610, 8578, 21445, 42890, 2835029, 5670058, 14175145, 28350290]

約数ペア:

[(1, 28350290), (2, 14175145), (5, 5670058), (10, 2835029), (661, 42890), (1322, 21445), (3305, 8578), (4289, 6610)]