28271180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201937}}^1$

素因数の和:201953

約数の個数: 24

約数和(自身を含む): 67851168

約数和(自身を除く): 39579988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201937, 403874, 807748, 1009685, 1413559, 2019370, 2827118, 4038740, 5654236, 7067795, 14135590, 28271180]

約数ペア:

[(1, 28271180), (2, 14135590), (4, 7067795), (5, 5654236), (7, 4038740), (10, 2827118), (14, 2019370), (20, 1413559), (28, 1009685), (35, 807748), (70, 403874), (140, 201937)]