28220556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 83066368

約数和(自身を除く): 54845812

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 52, 78, 84, 86, 91, 129, 156, 172, 182, 258, 273, 301, 364, 516, 546, 559, 601, 602, 903, 1092, 1118, 1202, 1204, 1677, 1803, 1806, 2236, 2404, 3354, 3606, 3612, 3913, 4207, 6708, 7212, 7813, 7826, 8414, 11739, 12621, 15626, 15652, 16828, 23439, 23478, 25242, 25843, 31252, 46878, 46956, 50484, 51686, 54691, 77529, 93756, 103372, 109382, 155058, 164073, 180901, 218764, 310116, 328146, 335959, 361802, 542703, 656292, 671918, 723604, 1007877, 1085406, 1343836, 2015754, 2170812, 2351713, 4031508, 4703426, 7055139, 9406852, 14110278, 28220556]

約数ペア:

[(1, 28220556), (2, 14110278), (3, 9406852), (4, 7055139), (6, 4703426), (7, 4031508), (12, 2351713), (13, 2170812), (14, 2015754), (21, 1343836), (26, 1085406), (28, 1007877), (39, 723604), (42, 671918), (43, 656292), (52, 542703), (78, 361802), (84, 335959), (86, 328146), (91, 310116), (129, 218764), (156, 180901), (172, 164073), (182, 155058), (258, 109382), (273, 103372), (301, 93756), (364, 77529), (516, 54691), (546, 51686), (559, 50484), (601, 46956), (602, 46878), (903, 31252), (1092, 25843), (1118, 25242), (1202, 23478), (1204, 23439), (1677, 16828), (1803, 15652), (1806, 15626), (2236, 12621), (2404, 11739), (3354, 8414), (3606, 7826), (3612, 7813), (3913, 7212), (4207, 6708)]