2551878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 6673920

約数和(自身を除く): 4122042

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 157, 189, 258, 301, 314, 378, 387, 471, 602, 774, 903, 942, 1099, 1161, 1413, 1806, 2198, 2322, 2709, 2826, 3297, 4239, 5418, 6594, 6751, 8127, 8478, 9891, 13502, 16254, 19782, 20253, 29673, 40506, 47257, 59346, 60759, 94514, 121518, 141771, 182277, 283542, 364554, 425313, 850626, 1275939, 2551878]

約数ペア:

[(1, 2551878), (2, 1275939), (3, 850626), (6, 425313), (7, 364554), (9, 283542), (14, 182277), (18, 141771), (21, 121518), (27, 94514), (42, 60759), (43, 59346), (54, 47257), (63, 40506), (86, 29673), (126, 20253), (129, 19782), (157, 16254), (189, 13502), (258, 9891), (301, 8478), (314, 8127), (378, 6751), (387, 6594), (471, 5418), (602, 4239), (774, 3297), (903, 2826), (942, 2709), (1099, 2322), (1161, 2198), (1413, 1806)]