199771825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{1259}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 270920160

約数和(自身を除く): 71148335

約数列:

[1, 5, 11, 25, 55, 275, 577, 1259, 2885, 6295, 6347, 13849, 14425, 31475, 31735, 69245, 158675, 346225, 726443, 3632215, 7990873, 18161075, 39954365, 199771825]

約数ペア:

[(1, 199771825), (5, 39954365), (11, 18161075), (25, 7990873), (55, 3632215), (275, 726443), (577, 346225), (1259, 158675), (2885, 69245), (6295, 31735), (6347, 31475), (13849, 14425)]