7285830.00000000

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 34461504

約数和(自身を除く): 21065628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 1997, 2236, 3354, 3994, 5991, 6708, 7988, 11982, 23964, 25961, 51922, 77883, 85871, 103844, 155766, 171742, 257613, 311532, 343484, 515226, 1030452, 1116323, 2232646, 3348969, 4465292, 6697938, 13395876]

約数ペア:

[(1, 13395876), (2, 6697938), (3, 4465292), (4, 3348969), (6, 2232646), (12, 1116323), (13, 1030452), (26, 515226), (39, 343484), (43, 311532), (52, 257613), (78, 171742), (86, 155766), (129, 103844), (156, 85871), (172, 77883), (258, 51922), (516, 25961), (559, 23964), (1118, 11982), (1677, 7988), (1997, 6708), (2236, 5991), (3354, 3994)]