204420155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{51169}}^1$

素因数の和:51238

約数の個数: 16

約数和(自身を含む): 265265280

約数和(自身を除く): 60845125

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 51169, 255845, 869873, 2404943, 4349365, 12024715, 40884031, 204420155]

約数ペア:

[(1, 204420155), (5, 40884031), (17, 12024715), (47, 4349365), (85, 2404943), (235, 869873), (799, 255845), (3995, 51169)]