81400544

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{2647}}^1$

素因数の和:2719

約数の個数: 36

約数和(自身を含む): 165656232

約数和(自身を除く): 84255688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 961, 992, 1922, 2647, 3844, 5294, 7688, 10588, 15376, 21176, 30752, 42352, 82057, 84704, 164114, 328228, 656456, 1312912, 2543767, 2625824, 5087534, 10175068, 20350136, 40700272, 81400544]

約数ペア:

[(1, 81400544), (2, 40700272), (4, 20350136), (8, 10175068), (16, 5087534), (31, 2625824), (32, 2543767), (62, 1312912), (124, 656456), (248, 328228), (496, 164114), (961, 84704), (992, 82057), (1922, 42352), (2647, 30752), (3844, 21176), (5294, 15376), (7688, 10588)]