28198884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 79399936

約数和(自身を除く): 51201052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 43, 74, 84, 86, 111, 129, 148, 172, 211, 222, 258, 259, 301, 422, 444, 516, 518, 602, 633, 777, 844, 903, 1036, 1204, 1266, 1477, 1554, 1591, 1806, 2532, 2954, 3108, 3182, 3612, 4431, 4773, 5908, 6364, 7807, 8862, 9073, 9546, 11137, 15614, 17724, 18146, 19092, 22274, 23421, 27219, 31228, 33411, 36292, 44548, 46842, 54438, 54649, 63511, 66822, 93684, 108876, 109298, 127022, 133644, 163947, 190533, 218596, 254044, 327894, 335701, 381066, 655788, 671402, 762132, 1007103, 1342804, 2014206, 2349907, 4028412, 4699814, 7049721, 9399628, 14099442, 28198884]

約数ペア:

[(1, 28198884), (2, 14099442), (3, 9399628), (4, 7049721), (6, 4699814), (7, 4028412), (12, 2349907), (14, 2014206), (21, 1342804), (28, 1007103), (37, 762132), (42, 671402), (43, 655788), (74, 381066), (84, 335701), (86, 327894), (111, 254044), (129, 218596), (148, 190533), (172, 163947), (211, 133644), (222, 127022), (258, 109298), (259, 108876), (301, 93684), (422, 66822), (444, 63511), (516, 54649), (518, 54438), (602, 46842), (633, 44548), (777, 36292), (844, 33411), (903, 31228), (1036, 27219), (1204, 23421), (1266, 22274), (1477, 19092), (1554, 18146), (1591, 17724), (1806, 15614), (2532, 11137), (2954, 9546), (3108, 9073), (3182, 8862), (3612, 7807), (4431, 6364), (4773, 5908)]