28321579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 7160021

約数列:

[1, 11, 13, 23, 79, 109, 143, 253, 299, 869, 1027, 1199, 1417, 1817, 2507, 3289, 8611, 11297, 15587, 19987, 23621, 27577, 32591, 94721, 111943, 198053, 259831, 358501, 1231373, 2178583, 2574689, 28321579]

約数ペア:

[(1, 28321579), (11, 2574689), (13, 2178583), (23, 1231373), (79, 358501), (109, 259831), (143, 198053), (253, 111943), (299, 94721), (869, 32591), (1027, 27577), (1199, 23621), (1417, 19987), (1817, 15587), (2507, 11297), (3289, 8611)]