28028252

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12671}}^1$

素因数の和:12761

約数の個数: 24

約数和(自身を含む): 56770560

約数和(自身を除く): 28742308

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 12671, 25342, 50684, 88697, 177394, 354788, 1001009, 2002018, 4004036, 7007063, 14014126, 28028252]

約数ペア:

[(1, 28028252), (2, 14014126), (4, 7007063), (7, 4004036), (14, 2002018), (28, 1001009), (79, 354788), (158, 177394), (316, 88697), (553, 50684), (1106, 25342), (2212, 12671)]