28004444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3931}}^1$

素因数の和:4085

約数の個数: 24

約数和(自身を含む): 53176368

約数和(自身を除く): 25171924

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 3931, 7124, 7862, 15724, 51103, 102206, 204412, 538547, 1077094, 2154188, 7001111, 14002222, 28004444]

約数ペア:

[(1, 28004444), (2, 14002222), (4, 7001111), (13, 2154188), (26, 1077094), (52, 538547), (137, 204412), (274, 102206), (548, 51103), (1781, 15724), (3562, 7862), (3931, 7124)]