201991516

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{499979}}^1$

素因数の和:500084

約数の個数: 12

約数和(自身を含む): 356985720

約数和(自身を除く): 154994204

約数列:

[1, 2, 4, 101, 202, 404, 499979, 999958, 1999916, 50497879, 100995758, 201991516]

約数ペア:

[(1, 201991516), (2, 100995758), (4, 50497879), (101, 1999916), (202, 999958), (404, 499979)]