2129876

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 4583040

約数和(自身を除く): 2453164

約数列:

[1, 2, 4, 7, 14, 28, 29, 43, 58, 61, 86, 116, 122, 172, 203, 244, 301, 406, 427, 602, 812, 854, 1204, 1247, 1708, 1769, 2494, 2623, 3538, 4988, 5246, 7076, 8729, 10492, 12383, 17458, 18361, 24766, 34916, 36722, 49532, 73444, 76067, 152134, 304268, 532469, 1064938, 2129876]

約数ペア:

[(1, 2129876), (2, 1064938), (4, 532469), (7, 304268), (14, 152134), (28, 76067), (29, 73444), (43, 49532), (58, 36722), (61, 34916), (86, 24766), (116, 18361), (122, 17458), (172, 12383), (203, 10492), (244, 8729), (301, 7076), (406, 5246), (427, 4988), (602, 3538), (812, 2623), (854, 2494), (1204, 1769), (1247, 1708)]