2028021228

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{12433}}^1$

素因数の和:12663

約数の個数: 72

約数和(自身を含む): 5376859488

約数和(自身を除く): 3348838260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 197, 207, 276, 394, 414, 591, 788, 828, 1182, 1773, 2364, 3546, 4531, 7092, 9062, 12433, 13593, 18124, 24866, 27186, 37299, 40779, 49732, 54372, 74598, 81558, 111897, 149196, 163116, 223794, 285959, 447588, 571918, 857877, 1143836, 1715754, 2449301, 2573631, 3431508, 4898602, 5147262, 7347903, 9797204, 10294524, 14695806, 22043709, 29391612, 44087418, 56333923, 88174836, 112667846, 169001769, 225335692, 338003538, 507005307, 676007076, 1014010614, 2028021228]

約数ペア:

[(1, 2028021228), (2, 1014010614), (3, 676007076), (4, 507005307), (6, 338003538), (9, 225335692), (12, 169001769), (18, 112667846), (23, 88174836), (36, 56333923), (46, 44087418), (69, 29391612), (92, 22043709), (138, 14695806), (197, 10294524), (207, 9797204), (276, 7347903), (394, 5147262), (414, 4898602), (591, 3431508), (788, 2573631), (828, 2449301), (1182, 1715754), (1773, 1143836), (2364, 857877), (3546, 571918), (4531, 447588), (7092, 285959), (9062, 223794), (12433, 163116), (13593, 149196), (18124, 111897), (24866, 81558), (27186, 74598), (37299, 54372), (40779, 49732)]