81375008

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17783}}^1$

素因数の和:17817

約数の個数: 48

約数和(自身を含む): 188225856

約数和(自身を除く): 106850848

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 17783, 35566, 71132, 142264, 195613, 231179, 284528, 391226, 462358, 569056, 782452, 924716, 1564904, 1849432, 2542969, 3129808, 3698864, 5085938, 6259616, 7397728, 10171876, 20343752, 40687504, 81375008]

約数ペア:

[(1, 81375008), (2, 40687504), (4, 20343752), (8, 10171876), (11, 7397728), (13, 6259616), (16, 5085938), (22, 3698864), (26, 3129808), (32, 2542969), (44, 1849432), (52, 1564904), (88, 924716), (104, 782452), (143, 569056), (176, 462358), (208, 391226), (286, 284528), (352, 231179), (416, 195613), (572, 142264), (1144, 71132), (2288, 35566), (4576, 17783)]