890504888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28447}}^1$

素因数の和:28516

約数の個数: 64

約数和(自身を含む): 2102876160

約数和(自身を除く): 1212371272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 728, 1118, 1204, 2236, 2408, 3913, 4472, 7826, 15652, 28447, 31304, 56894, 113788, 199129, 227576, 369811, 398258, 739622, 796516, 1223221, 1479244, 1593032, 2446442, 2588677, 2958488, 4892884, 5177354, 8562547, 9785768, 10354708, 15901873, 17125094, 20709416, 31803746, 34250188, 63607492, 68500376, 111313111, 127214984, 222626222, 445252444, 890504888]

約数ペア:

[(1, 890504888), (2, 445252444), (4, 222626222), (7, 127214984), (8, 111313111), (13, 68500376), (14, 63607492), (26, 34250188), (28, 31803746), (43, 20709416), (52, 17125094), (56, 15901873), (86, 10354708), (91, 9785768), (104, 8562547), (172, 5177354), (182, 4892884), (301, 2958488), (344, 2588677), (364, 2446442), (559, 1593032), (602, 1479244), (728, 1223221), (1118, 796516), (1204, 739622), (2236, 398258), (2408, 369811), (3913, 227576), (4472, 199129), (7826, 113788), (15652, 56894), (28447, 31304)]