28216396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 57365280

約数和(自身を除く): 29148884

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 59, 68, 118, 221, 236, 442, 541, 767, 884, 1003, 1082, 1534, 2006, 2164, 3068, 4012, 7033, 9197, 13039, 14066, 18394, 26078, 28132, 31919, 36788, 52156, 63838, 119561, 127676, 239122, 414947, 478244, 542623, 829894, 1085246, 1659788, 2170492, 7054099, 14108198, 28216396]

約数ペア:

[(1, 28216396), (2, 14108198), (4, 7054099), (13, 2170492), (17, 1659788), (26, 1085246), (34, 829894), (52, 542623), (59, 478244), (68, 414947), (118, 239122), (221, 127676), (236, 119561), (442, 63838), (541, 52156), (767, 36788), (884, 31919), (1003, 28132), (1082, 26078), (1534, 18394), (2006, 14066), (2164, 13039), (3068, 9197), (4012, 7033)]