81485692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 75369188

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 139, 148, 233, 278, 466, 556, 629, 932, 1258, 2363, 2516, 3961, 4726, 5143, 7922, 8621, 9452, 10286, 15844, 17242, 20572, 32387, 34484, 64774, 87431, 129548, 146557, 174862, 293114, 349724, 550579, 586228, 1101158, 1198319, 2202316, 2396638, 4793276, 20371423, 40742846, 81485692]

約数ペア:

[(1, 81485692), (2, 40742846), (4, 20371423), (17, 4793276), (34, 2396638), (37, 2202316), (68, 1198319), (74, 1101158), (139, 586228), (148, 550579), (233, 349724), (278, 293114), (466, 174862), (556, 146557), (629, 129548), (932, 87431), (1258, 64774), (2363, 34484), (2516, 32387), (3961, 20572), (4726, 17242), (5143, 15844), (7922, 10286), (8621, 9452)]