28142072

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 67223520

約数和(自身を除く): 39081448

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 49, 56, 68, 82, 98, 103, 119, 136, 164, 196, 206, 238, 287, 328, 392, 412, 476, 574, 697, 721, 824, 833, 952, 1148, 1394, 1442, 1666, 1751, 2009, 2296, 2788, 2884, 3332, 3502, 4018, 4223, 4879, 5047, 5576, 5768, 6664, 7004, 8036, 8446, 9758, 10094, 12257, 14008, 16072, 16892, 19516, 20188, 24514, 29561, 33784, 34153, 39032, 40376, 49028, 59122, 68306, 71791, 85799, 98056, 118244, 136612, 143582, 171598, 206927, 236488, 273224, 287164, 343196, 413854, 502537, 574328, 686392, 827708, 1005074, 1655416, 2010148, 3517759, 4020296, 7035518, 14071036, 28142072]

約数ペア:

[(1, 28142072), (2, 14071036), (4, 7035518), (7, 4020296), (8, 3517759), (14, 2010148), (17, 1655416), (28, 1005074), (34, 827708), (41, 686392), (49, 574328), (56, 502537), (68, 413854), (82, 343196), (98, 287164), (103, 273224), (119, 236488), (136, 206927), (164, 171598), (196, 143582), (206, 136612), (238, 118244), (287, 98056), (328, 85799), (392, 71791), (412, 68306), (476, 59122), (574, 49028), (697, 40376), (721, 39032), (824, 34153), (833, 33784), (952, 29561), (1148, 24514), (1394, 20188), (1442, 19516), (1666, 16892), (1751, 16072), (2009, 14008), (2296, 12257), (2788, 10094), (2884, 9758), (3332, 8446), (3502, 8036), (4018, 7004), (4223, 6664), (4879, 5768), (5047, 5576)]