2574558

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 6720000

約数和(自身を除く): 4145442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 139, 147, 189, 278, 294, 343, 378, 417, 441, 686, 834, 882, 973, 1029, 1251, 1323, 1946, 2058, 2502, 2646, 2919, 3087, 3753, 5838, 6174, 6811, 7506, 8757, 9261, 13622, 17514, 18522, 20433, 26271, 40866, 47677, 52542, 61299, 95354, 122598, 143031, 183897, 286062, 367794, 429093, 858186, 1287279, 2574558]

約数ペア:

[(1, 2574558), (2, 1287279), (3, 858186), (6, 429093), (7, 367794), (9, 286062), (14, 183897), (18, 143031), (21, 122598), (27, 95354), (42, 61299), (49, 52542), (54, 47677), (63, 40866), (98, 26271), (126, 20433), (139, 18522), (147, 17514), (189, 13622), (278, 9261), (294, 8757), (343, 7506), (378, 6811), (417, 6174), (441, 5838), (686, 3753), (834, 3087), (882, 2919), (973, 2646), (1029, 2502), (1251, 2058), (1323, 1946)]