28711207

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{7417}}^1$

素因数の和:7510

約数の個数: 12

約数和(自身を含む): 33826080

約数和(自身を除く): 5114873

約数列:

[1, 7, 49, 79, 553, 3871, 7417, 51919, 363433, 585943, 4101601, 28711207]

約数ペア:

[(1, 28711207), (7, 4101601), (49, 585943), (79, 363433), (553, 51919), (3871, 7417)]