201981661

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1\times {\mathrm{613}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 233968384

約数和(自身を除く): 31986723

約数列:

[1, 7, 103, 457, 613, 721, 3199, 4291, 47071, 63139, 280141, 329497, 441973, 1960987, 28854523, 201981661]

約数ペア:

[(1, 201981661), (7, 28854523), (103, 1960987), (457, 441973), (613, 329497), (721, 280141), (3199, 63139), (4291, 47071)]