28317394

素因数分解:

$2^1\times 7^4\times {\mathrm{5897}}^1$

素因数の和:5927

約数の個数: 20

約数和(自身を含む): 49560894

約数和(自身を除く): 21243500

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 5897, 11794, 41279, 82558, 288953, 577906, 2022671, 4045342, 14158697, 28317394]

約数ペア:

[(1, 28317394), (2, 14158697), (7, 4045342), (14, 2022671), (49, 577906), (98, 288953), (343, 82558), (686, 41279), (2401, 11794), (4802, 5897)]