28699272

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 224

約数和(自身を含む): 99681600

約数和(自身を除く): 70982328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 37, 38, 42, 54, 56, 57, 63, 72, 74, 76, 81, 84, 108, 111, 114, 126, 133, 148, 152, 162, 168, 171, 189, 216, 222, 228, 243, 252, 259, 266, 296, 324, 333, 342, 378, 399, 444, 456, 486, 504, 513, 518, 532, 567, 648, 666, 684, 703, 729, 756, 777, 798, 888, 972, 999, 1026, 1036, 1064, 1134, 1197, 1332, 1368, 1406, 1458, 1512, 1539, 1554, 1596, 1701, 1944, 1998, 2052, 2072, 2109, 2268, 2331, 2394, 2664, 2812, 2916, 2997, 3078, 3108, 3192, 3402, 3591, 3996, 4104, 4218, 4536, 4617, 4662, 4788, 4921, 5103, 5624, 5832, 5994, 6156, 6216, 6327, 6804, 6993, 7182, 7992, 8436, 8991, 9234, 9324, 9576, 9842, 10206, 10773, 11988, 12312, 12654, 13608, 13851, 13986, 14364, 14763, 16872, 17982, 18468, 18648, 18981, 19684, 20412, 20979, 21546, 23976, 25308, 26973, 27702, 27972, 28728, 29526, 32319, 35964, 36936, 37962, 39368, 40824, 41958, 43092, 44289, 50616, 53946, 55404, 55944, 56943, 59052, 62937, 64638, 71928, 75924, 83916, 86184, 88578, 96957, 107892, 110808, 113886, 118104, 125874, 129276, 132867, 151848, 167832, 170829, 177156, 188811, 193914, 215784, 227772, 251748, 258552, 265734, 341658, 354312, 377622, 387828, 398601, 455544, 503496, 512487, 531468, 683316, 755244, 775656, 797202, 1024974, 1062936, 1195803, 1366632, 1510488, 1594404, 2049948, 2391606, 3188808, 3587409, 4099896, 4783212, 7174818, 9566424, 14349636, 28699272]

約数ペア:

[(1, 28699272), (2, 14349636), (3, 9566424), (4, 7174818), (6, 4783212), (7, 4099896), (8, 3587409), (9, 3188808), (12, 2391606), (14, 2049948), (18, 1594404), (19, 1510488), (21, 1366632), (24, 1195803), (27, 1062936), (28, 1024974), (36, 797202), (37, 775656), (38, 755244), (42, 683316), (54, 531468), (56, 512487), (57, 503496), (63, 455544), (72, 398601), (74, 387828), (76, 377622), (81, 354312), (84, 341658), (108, 265734), (111, 258552), (114, 251748), (126, 227772), (133, 215784), (148, 193914), (152, 188811), (162, 177156), (168, 170829), (171, 167832), (189, 151848), (216, 132867), (222, 129276), (228, 125874), (243, 118104), (252, 113886), (259, 110808), (266, 107892), (296, 96957), (324, 88578), (333, 86184), (342, 83916), (378, 75924), (399, 71928), (444, 64638), (456, 62937), (486, 59052), (504, 56943), (513, 55944), (518, 55404), (532, 53946), (567, 50616), (648, 44289), (666, 43092), (684, 41958), (703, 40824), (729, 39368), (756, 37962), (777, 36936), (798, 35964), (888, 32319), (972, 29526), (999, 28728), (1026, 27972), (1036, 27702), (1064, 26973), (1134, 25308), (1197, 23976), (1332, 21546), (1368, 20979), (1406, 20412), (1458, 19684), (1512, 18981), (1539, 18648), (1554, 18468), (1596, 17982), (1701, 16872), (1944, 14763), (1998, 14364), (2052, 13986), (2072, 13851), (2109, 13608), (2268, 12654), (2331, 12312), (2394, 11988), (2664, 10773), (2812, 10206), (2916, 9842), (2997, 9576), (3078, 9324), (3108, 9234), (3192, 8991), (3402, 8436), (3591, 7992), (3996, 7182), (4104, 6993), (4218, 6804), (4536, 6327), (4617, 6216), (4662, 6156), (4788, 5994), (4921, 5832), (5103, 5624)]