86649678

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{67801}}^1$

素因数の和:67880

約数の個数: 24

約数和(自身を含む): 190388016

約数和(自身を除く): 103738338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 67801, 135602, 203403, 406806, 610209, 1220418, 4813871, 9627742, 14441613, 28883226, 43324839, 86649678]

約数ペア:

[(1, 86649678), (2, 43324839), (3, 28883226), (6, 14441613), (9, 9627742), (18, 4813871), (71, 1220418), (142, 610209), (213, 406806), (426, 203403), (639, 135602), (1278, 67801)]