851212090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1979563}}^1$

素因数の和:1979613

約数の個数: 16

約数和(自身を含む): 1567814688

約数和(自身を除く): 716602598

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1979563, 3959126, 9897815, 19795630, 85121209, 170242418, 425606045, 851212090]

約数ペア:

[(1, 851212090), (2, 425606045), (5, 170242418), (10, 85121209), (43, 19795630), (86, 9897815), (215, 3959126), (430, 1979563)]