13807775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 18488400

約数和(自身を除く): 4680625

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 709, 779, 1025, 3545, 3895, 13471, 17725, 19475, 29069, 67355, 145345, 336775, 552311, 726725, 2761555, 13807775]

約数ペア:

[(1, 13807775), (5, 2761555), (19, 726725), (25, 552311), (41, 336775), (95, 145345), (205, 67355), (475, 29069), (709, 19475), (779, 17725), (1025, 13471), (3545, 3895)]