205412977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{115987}}^1$

素因数の和:116028

約数の個数: 16

約数和(自身を含む): 267236352

約数和(自身を除く): 61823375

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 115987, 811909, 1275857, 2667701, 8930999, 18673907, 29344711, 205412977]

約数ペア:

[(1, 205412977), (7, 29344711), (11, 18673907), (23, 8930999), (77, 2667701), (161, 1275857), (253, 811909), (1771, 115987)]