78723988

素因数分解:

$2^2\times 7^5\times {\mathrm{1171}}^1$

素因数の和:1210

約数の個数: 36

約数和(自身を含む): 160864032

約数和(自身を除く): 82140044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1171, 1372, 2342, 2401, 4684, 4802, 8197, 9604, 16394, 16807, 32788, 33614, 57379, 67228, 114758, 229516, 401653, 803306, 1606612, 2811571, 5623142, 11246284, 19680997, 39361994, 78723988]

約数ペア:

[(1, 78723988), (2, 39361994), (4, 19680997), (7, 11246284), (14, 5623142), (28, 2811571), (49, 1606612), (98, 803306), (196, 401653), (343, 229516), (686, 114758), (1171, 67228), (1372, 57379), (2342, 33614), (2401, 32788), (4684, 16807), (4802, 16394), (8197, 9604)]