78641324

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 149140992

約数和(自身を除く): 70499668

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 103, 172, 193, 206, 386, 412, 772, 989, 1978, 2369, 3956, 4429, 4439, 4738, 8299, 8858, 8878, 9476, 16598, 17716, 17756, 19879, 33196, 39758, 79516, 101867, 190877, 203734, 381754, 407468, 457217, 763508, 854797, 914434, 1709594, 1828868, 3419188, 19660331, 39320662, 78641324]

約数ペア:

[(1, 78641324), (2, 39320662), (4, 19660331), (23, 3419188), (43, 1828868), (46, 1709594), (86, 914434), (92, 854797), (103, 763508), (172, 457217), (193, 407468), (206, 381754), (386, 203734), (412, 190877), (772, 101867), (989, 79516), (1978, 39758), (2369, 33196), (3956, 19879), (4429, 17756), (4439, 17716), (4738, 16598), (8299, 9476), (8858, 8878)]