28704984

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 91584000

約数和(自身を除く): 62879016

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 132, 147, 154, 168, 196, 231, 264, 294, 308, 317, 343, 392, 462, 539, 588, 616, 634, 686, 924, 951, 1029, 1078, 1176, 1268, 1372, 1617, 1848, 1902, 2058, 2156, 2219, 2536, 2744, 3234, 3487, 3773, 3804, 4116, 4312, 4438, 6468, 6657, 6974, 7546, 7608, 8232, 8876, 10461, 11319, 12936, 13314, 13948, 15092, 15533, 17752, 20922, 22638, 24409, 26628, 27896, 30184, 31066, 41844, 45276, 46599, 48818, 53256, 62132, 73227, 83688, 90552, 93198, 97636, 108731, 124264, 146454, 170863, 186396, 195272, 217462, 292908, 326193, 341726, 372792, 434924, 512589, 585816, 652386, 683452, 869848, 1025178, 1196041, 1304772, 1366904, 2050356, 2392082, 2609544, 3588123, 4100712, 4784164, 7176246, 9568328, 14352492, 28704984]

約数ペア:

[(1, 28704984), (2, 14352492), (3, 9568328), (4, 7176246), (6, 4784164), (7, 4100712), (8, 3588123), (11, 2609544), (12, 2392082), (14, 2050356), (21, 1366904), (22, 1304772), (24, 1196041), (28, 1025178), (33, 869848), (42, 683452), (44, 652386), (49, 585816), (56, 512589), (66, 434924), (77, 372792), (84, 341726), (88, 326193), (98, 292908), (132, 217462), (147, 195272), (154, 186396), (168, 170863), (196, 146454), (231, 124264), (264, 108731), (294, 97636), (308, 93198), (317, 90552), (343, 83688), (392, 73227), (462, 62132), (539, 53256), (588, 48818), (616, 46599), (634, 45276), (686, 41844), (924, 31066), (951, 30184), (1029, 27896), (1078, 26628), (1176, 24409), (1268, 22638), (1372, 20922), (1617, 17752), (1848, 15533), (1902, 15092), (2058, 13948), (2156, 13314), (2219, 12936), (2536, 11319), (2744, 10461), (3234, 8876), (3487, 8232), (3773, 7608), (3804, 7546), (4116, 6974), (4312, 6657), (4438, 6468)]