81317896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19661}}^1$

素因数の和:19725

約数の個数: 32

約数和(自身を含む): 169879680

約数和(自身を除く): 88561784

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 19661, 39322, 78644, 157288, 216271, 432542, 865084, 924067, 1730168, 1848134, 3696268, 7392536, 10164737, 20329474, 40658948, 81317896]

約数ペア:

[(1, 81317896), (2, 40658948), (4, 20329474), (8, 10164737), (11, 7392536), (22, 3696268), (44, 1848134), (47, 1730168), (88, 924067), (94, 865084), (188, 432542), (376, 216271), (517, 157288), (1034, 78644), (2068, 39322), (4136, 19661)]