28011995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2131}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 36840960

約数和(自身を除く): 8828965

約数列:

[1, 5, 11, 55, 239, 1195, 2131, 2629, 10655, 13145, 23441, 117205, 509309, 2546545, 5602399, 28011995]

約数ペア:

[(1, 28011995), (5, 5602399), (11, 2546545), (55, 509309), (239, 117205), (1195, 23441), (2131, 13145), (2629, 10655)]