80971924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{42797}}^1$

素因数の和:42855

約数の個数: 24

約数和(自身を含む): 158181408

約数和(自身を除く): 77209484

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 42797, 85594, 171188, 470767, 941534, 1840271, 1883068, 3680542, 7361084, 20242981, 40485962, 80971924]

約数ペア:

[(1, 80971924), (2, 40485962), (4, 20242981), (11, 7361084), (22, 3680542), (43, 1883068), (44, 1840271), (86, 941534), (172, 470767), (473, 171188), (946, 85594), (1892, 42797)]