8421296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{40487}}^1$

素因数の和:40508

約数の個数: 20

約数和(自身を含む): 17571792

約数和(自身を除く): 9150496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 40487, 80974, 161948, 323896, 526331, 647792, 1052662, 2105324, 4210648, 8421296]

約数ペア:

[(1, 8421296), (2, 4210648), (4, 2105324), (8, 1052662), (13, 647792), (16, 526331), (26, 323896), (52, 161948), (104, 80974), (208, 40487)]