81627515

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 105997248

約数和(自身を除く): 24369733

約数列:

[1, 5, 19, 41, 95, 205, 361, 779, 1103, 1805, 3895, 5515, 14801, 20957, 45223, 74005, 104785, 226115, 398183, 859237, 1990915, 4296185, 16325503, 81627515]

約数ペア:

[(1, 81627515), (5, 16325503), (19, 4296185), (41, 1990915), (95, 859237), (205, 398183), (361, 226115), (779, 104785), (1103, 74005), (1805, 45223), (3895, 20957), (5515, 14801)]