81311146

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1279}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 147456000

約数和(自身を除く): 66144854

約数列:

[1, 2, 7, 14, 19, 38, 133, 239, 266, 478, 1279, 1673, 2558, 3346, 4541, 8953, 9082, 17906, 24301, 31787, 48602, 63574, 170107, 305681, 340214, 611362, 2139767, 4279534, 5807939, 11615878, 40655573, 81311146]

約数ペア:

[(1, 81311146), (2, 40655573), (7, 11615878), (14, 5807939), (19, 4279534), (38, 2139767), (133, 611362), (239, 340214), (266, 305681), (478, 170107), (1279, 63574), (1673, 48602), (2558, 31787), (3346, 24301), (4541, 17906), (8953, 9082)]