205121488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2423}}^1$

素因数の和:2492

約数の個数: 80

約数和(自身を含む): 479719296

約数和(自身を除く): 274597808

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 176, 208, 286, 296, 407, 481, 572, 592, 814, 962, 1144, 1628, 1924, 2288, 2423, 3256, 3848, 4846, 5291, 6512, 7696, 9692, 10582, 19384, 21164, 26653, 31499, 38768, 42328, 53306, 62998, 84656, 89651, 106612, 125996, 179302, 213224, 251992, 346489, 358604, 426448, 503984, 692978, 717208, 986161, 1165463, 1385956, 1434416, 1972322, 2330926, 2771912, 3944644, 4661852, 5543824, 7889288, 9323704, 12820093, 15778576, 18647408, 25640186, 51280372, 102560744, 205121488]

約数ペア:

[(1, 205121488), (2, 102560744), (4, 51280372), (8, 25640186), (11, 18647408), (13, 15778576), (16, 12820093), (22, 9323704), (26, 7889288), (37, 5543824), (44, 4661852), (52, 3944644), (74, 2771912), (88, 2330926), (104, 1972322), (143, 1434416), (148, 1385956), (176, 1165463), (208, 986161), (286, 717208), (296, 692978), (407, 503984), (481, 426448), (572, 358604), (592, 346489), (814, 251992), (962, 213224), (1144, 179302), (1628, 125996), (1924, 106612), (2288, 89651), (2423, 84656), (3256, 62998), (3848, 53306), (4846, 42328), (5291, 38768), (6512, 31499), (7696, 26653), (9692, 21164), (10582, 19384)]