199516415

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{20143}}^1$

素因数の和:20438

約数の個数: 16

約数和(自身を含む): 274603008

約数和(自身を除く): 75086593

約数列:

[1, 5, 7, 35, 283, 1415, 1981, 9905, 20143, 100715, 141001, 705005, 5700469, 28502345, 39903283, 199516415]

約数ペア:

[(1, 199516415), (5, 39903283), (7, 28502345), (35, 5700469), (283, 705005), (1415, 141001), (1981, 100715), (9905, 20143)]