90471995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{2903}}^1$

素因数の和:3202

約数の個数: 16

約数和(自身を含む): 113743872

約数和(自身を除く): 23271877

約数列:

[1, 5, 23, 115, 271, 1355, 2903, 6233, 14515, 31165, 66769, 333845, 786713, 3933565, 18094399, 90471995]

約数ペア:

[(1, 90471995), (5, 18094399), (23, 3933565), (115, 786713), (271, 333845), (1355, 66769), (2903, 31165), (6233, 14515)]