266935984

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 607943232

約数和(自身を除く): 341007248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 193, 212, 233, 371, 386, 424, 466, 742, 772, 848, 932, 1351, 1484, 1544, 1631, 1864, 2702, 2968, 3088, 3262, 3728, 5404, 5936, 6524, 10229, 10808, 12349, 13048, 20458, 21616, 24698, 26096, 40916, 44969, 49396, 71603, 81832, 86443, 89938, 98792, 143206, 163664, 172886, 179876, 197584, 286412, 314783, 345772, 359752, 572824, 629566, 691544, 719504, 1145648, 1259132, 1383088, 2383357, 2518264, 4766714, 5036528, 9533428, 16683499, 19066856, 33366998, 38133712, 66733996, 133467992, 266935984]

約数ペア:

[(1, 266935984), (2, 133467992), (4, 66733996), (7, 38133712), (8, 33366998), (14, 19066856), (16, 16683499), (28, 9533428), (53, 5036528), (56, 4766714), (106, 2518264), (112, 2383357), (193, 1383088), (212, 1259132), (233, 1145648), (371, 719504), (386, 691544), (424, 629566), (466, 572824), (742, 359752), (772, 345772), (848, 314783), (932, 286412), (1351, 197584), (1484, 179876), (1544, 172886), (1631, 163664), (1864, 143206), (2702, 98792), (2968, 89938), (3088, 86443), (3262, 81832), (3728, 71603), (5404, 49396), (5936, 44969), (6524, 40916), (10229, 26096), (10808, 24698), (12349, 21616), (13048, 20458)]