81187842

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1423}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 167530752

約数和(自身を除く): 86342910

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 257, 514, 771, 1423, 1542, 2846, 4269, 8538, 9509, 19018, 28527, 52651, 57054, 105302, 157953, 315906, 365711, 731422, 1097133, 2194266, 13531307, 27062614, 40593921, 81187842]

約数ペア:

[(1, 81187842), (2, 40593921), (3, 27062614), (6, 13531307), (37, 2194266), (74, 1097133), (111, 731422), (222, 365711), (257, 315906), (514, 157953), (771, 105302), (1423, 57054), (1542, 52651), (2846, 28527), (4269, 19018), (8538, 9509)]