209969207

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{2837}}^1$

素因数の和:3050

約数の個数: 16

約数和(自身を含む): 244749120

約数和(自身を除く): 34779913

約数列:

[1, 7, 97, 109, 679, 763, 2837, 10573, 19859, 74011, 275189, 309233, 1926323, 2164631, 29995601, 209969207]

約数ペア:

[(1, 209969207), (7, 29995601), (97, 2164631), (109, 1926323), (679, 309233), (763, 275189), (2837, 74011), (10573, 19859)]