28223390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2029}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 55248480

約数和(自身を除く): 27025090

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 2029, 2782, 4058, 6955, 10145, 13910, 20290, 26377, 52754, 131885, 217103, 263770, 434206, 1085515, 2171030, 2822339, 5644678, 14111695, 28223390]

約数ペア:

[(1, 28223390), (2, 14111695), (5, 5644678), (10, 2822339), (13, 2171030), (26, 1085515), (65, 434206), (107, 263770), (130, 217103), (214, 131885), (535, 52754), (1070, 26377), (1391, 20290), (2029, 13910), (2782, 10145), (4058, 6955)]