20121128104

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{216319}}^1$

素因数の和:216494

約数の個数: 64

約数和(自身を含む): 47348121600

約数和(自身を除く): 27226993496

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 151, 154, 302, 308, 604, 616, 1057, 1208, 1661, 2114, 3322, 4228, 6644, 8456, 11627, 13288, 23254, 46508, 93016, 216319, 432638, 865276, 1514233, 1730552, 2379509, 3028466, 4759018, 6056932, 9518036, 12113864, 16656563, 19036072, 32664169, 33313126, 65328338, 66626252, 130656676, 133252504, 228649183, 261313352, 359305859, 457298366, 718611718, 914596732, 1437223436, 1829193464, 2515141013, 2874446872, 5030282026, 10060564052, 20121128104]

約数ペア:

[(1, 20121128104), (2, 10060564052), (4, 5030282026), (7, 2874446872), (8, 2515141013), (11, 1829193464), (14, 1437223436), (22, 914596732), (28, 718611718), (44, 457298366), (56, 359305859), (77, 261313352), (88, 228649183), (151, 133252504), (154, 130656676), (302, 66626252), (308, 65328338), (604, 33313126), (616, 32664169), (1057, 19036072), (1208, 16656563), (1661, 12113864), (2114, 9518036), (3322, 6056932), (4228, 4759018), (6644, 3028466), (8456, 2379509), (11627, 1730552), (13288, 1514233), (23254, 865276), (46508, 432638), (93016, 216319)]