16972825

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 22052160

約数和(自身を除く): 5079335

約数列:

[1, 5, 25, 37, 59, 185, 295, 311, 925, 1475, 1555, 2183, 7775, 10915, 11507, 18349, 54575, 57535, 91745, 287675, 458725, 678913, 3394565, 16972825]

約数ペア:

[(1, 16972825), (5, 3394565), (25, 678913), (37, 458725), (59, 287675), (185, 91745), (295, 57535), (311, 54575), (925, 18349), (1475, 11507), (1555, 10915), (2183, 7775)]