30872254

素因数分解:

$2^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1493}}^1$

素因数の和:1720

約数の個数: 24

約数和(自身を含む): 54160488

約数和(自身を除く): 23288234

約数列:

[1, 2, 7, 14, 49, 98, 211, 422, 1477, 1493, 2954, 2986, 10339, 10451, 20678, 20902, 73157, 146314, 315023, 630046, 2205161, 4410322, 15436127, 30872254]

約数ペア:

[(1, 30872254), (2, 15436127), (7, 4410322), (14, 2205161), (49, 630046), (98, 315023), (211, 146314), (422, 73157), (1477, 20902), (1493, 20678), (2954, 10451), (2986, 10339)]