28207868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1187}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 53322192

約数和(自身を除く): 25114324

約数列:

[1, 2, 4, 13, 26, 52, 457, 914, 1187, 1828, 2374, 4748, 5941, 11882, 15431, 23764, 30862, 61724, 542459, 1084918, 2169836, 7051967, 14103934, 28207868]

約数ペア:

[(1, 28207868), (2, 14103934), (4, 7051967), (13, 2169836), (26, 1084918), (52, 542459), (457, 61724), (914, 30862), (1187, 23764), (1828, 15431), (2374, 11882), (4748, 5941)]