28666990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{260609}}^1$

素因数の和:260627

約数の個数: 16

約数和(自身を含む): 56291760

約数和(自身を除く): 27624770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 260609, 521218, 1303045, 2606090, 2866699, 5733398, 14333495, 28666990]

約数ペア:

[(1, 28666990), (2, 14333495), (5, 5733398), (10, 2866699), (11, 2606090), (22, 1303045), (55, 521218), (110, 260609)]