28704312

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 96492240

約数和(自身を除く): 67787928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 169, 182, 234, 252, 273, 312, 337, 338, 364, 468, 504, 507, 546, 674, 676, 728, 819, 936, 1011, 1014, 1092, 1183, 1348, 1352, 1521, 1638, 2022, 2028, 2184, 2359, 2366, 2696, 3033, 3042, 3276, 3549, 4044, 4056, 4381, 4718, 4732, 6066, 6084, 6552, 7077, 7098, 8088, 8762, 9436, 9464, 10647, 12132, 12168, 13143, 14154, 14196, 17524, 18872, 21231, 21294, 24264, 26286, 28308, 28392, 30667, 35048, 39429, 42462, 42588, 52572, 56616, 56953, 61334, 78858, 84924, 85176, 92001, 105144, 113906, 122668, 157716, 169848, 170859, 184002, 227812, 245336, 276003, 315432, 341718, 368004, 398671, 455624, 512577, 552006, 683436, 736008, 797342, 1025154, 1104012, 1196013, 1366872, 1594684, 2050308, 2208024, 2392026, 3189368, 3588039, 4100616, 4784052, 7176078, 9568104, 14352156, 28704312]

約数ペア:

[(1, 28704312), (2, 14352156), (3, 9568104), (4, 7176078), (6, 4784052), (7, 4100616), (8, 3588039), (9, 3189368), (12, 2392026), (13, 2208024), (14, 2050308), (18, 1594684), (21, 1366872), (24, 1196013), (26, 1104012), (28, 1025154), (36, 797342), (39, 736008), (42, 683436), (52, 552006), (56, 512577), (63, 455624), (72, 398671), (78, 368004), (84, 341718), (91, 315432), (104, 276003), (117, 245336), (126, 227812), (156, 184002), (168, 170859), (169, 169848), (182, 157716), (234, 122668), (252, 113906), (273, 105144), (312, 92001), (337, 85176), (338, 84924), (364, 78858), (468, 61334), (504, 56953), (507, 56616), (546, 52572), (674, 42588), (676, 42462), (728, 39429), (819, 35048), (936, 30667), (1011, 28392), (1014, 28308), (1092, 26286), (1183, 24264), (1348, 21294), (1352, 21231), (1521, 18872), (1638, 17524), (2022, 14196), (2028, 14154), (2184, 13143), (2359, 12168), (2366, 12132), (2696, 10647), (3033, 9464), (3042, 9436), (3276, 8762), (3549, 8088), (4044, 7098), (4056, 7077), (4381, 6552), (4718, 6084), (4732, 6066)]