279874816

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{6469}}^1$

素因数の和:6511

約数の個数: 54

約数和(自身を含む): 605029110

約数和(自身を除く): 325154294

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 2704, 3328, 5408, 6469, 10816, 12938, 21632, 25876, 43264, 51752, 84097, 103504, 168194, 207008, 336388, 414016, 672776, 828032, 1093261, 1345552, 1656064, 2186522, 2691104, 4373044, 5382208, 8746088, 10764416, 17492176, 21528832, 34984352, 69968704, 139937408, 279874816]

約数ペア:

[(1, 279874816), (2, 139937408), (4, 69968704), (8, 34984352), (13, 21528832), (16, 17492176), (26, 10764416), (32, 8746088), (52, 5382208), (64, 4373044), (104, 2691104), (128, 2186522), (169, 1656064), (208, 1345552), (256, 1093261), (338, 828032), (416, 672776), (676, 414016), (832, 336388), (1352, 207008), (1664, 168194), (2704, 103504), (3328, 84097), (5408, 51752), (6469, 43264), (10816, 25876), (12938, 21632)]