221258305

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{2203}}^1$

素因数の和:2640

約数の個数: 16

約数和(自身を含む): 271356480

約数和(自身を除く): 50098175

約数列:

[1, 5, 53, 265, 379, 1895, 2203, 11015, 20087, 100435, 116759, 583795, 834937, 4174685, 44251661, 221258305]

約数ペア:

[(1, 221258305), (5, 44251661), (53, 4174685), (265, 834937), (379, 583795), (1895, 116759), (2203, 100435), (11015, 20087)]