16390825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3137}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 23346720

約数和(自身を除く): 6955895

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3137, 5225, 15685, 34507, 59603, 78425, 172535, 298015, 655633, 862675, 1490075, 3278165, 16390825]

約数ペア:

[(1, 16390825), (5, 3278165), (11, 1490075), (19, 862675), (25, 655633), (55, 298015), (95, 172535), (209, 78425), (275, 59603), (475, 34507), (1045, 15685), (3137, 5225)]