26991016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2381}}^1$

素因数の和:2509

約数の個数: 32

約数和(自身を含む): 55024200

約数和(自身を除く): 28033184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 2381, 2834, 4762, 5668, 9524, 11336, 19048, 30953, 61906, 123812, 247624, 259529, 519058, 1038116, 2076232, 3373877, 6747754, 13495508, 26991016]

約数ペア:

[(1, 26991016), (2, 13495508), (4, 6747754), (8, 3373877), (13, 2076232), (26, 1038116), (52, 519058), (104, 259529), (109, 247624), (218, 123812), (436, 61906), (872, 30953), (1417, 19048), (2381, 11336), (2834, 9524), (4762, 5668)]