28121716

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7331}}^1$

素因数の和:7479

約数の個数: 24

約数和(自身を含む): 56661696

約数和(自身を除く): 28539980

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 7331, 14662, 29324, 51317, 102634, 205268, 1004347, 2008694, 4017388, 7030429, 14060858, 28121716]

約数ペア:

[(1, 28121716), (2, 14060858), (4, 7030429), (7, 4017388), (14, 2008694), (28, 1004347), (137, 205268), (274, 102634), (548, 51317), (959, 29324), (1918, 14662), (3836, 7331)]