87977990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{16631}}^1$

素因数の和:16684

約数の個数: 24

約数和(自身を含む): 165554928

約数和(自身を除く): 77576938

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 5290, 16631, 33262, 83155, 166310, 382513, 765026, 1912565, 3825130, 8797799, 17595598, 43988995, 87977990]

約数ペア:

[(1, 87977990), (2, 43988995), (5, 17595598), (10, 8797799), (23, 3825130), (46, 1912565), (115, 765026), (230, 382513), (529, 166310), (1058, 83155), (2645, 33262), (5290, 16631)]