81393396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6971}}^1$

素因数の和:7124

約数の個数: 48

約数和(自身を含む): 218641920

約数和(自身を除く): 137248524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1946, 2919, 3892, 5838, 6971, 11676, 13942, 20913, 27884, 41826, 48797, 83652, 97594, 146391, 195188, 292782, 585564, 968969, 1937938, 2906907, 3875876, 5813814, 6782783, 11627628, 13565566, 20348349, 27131132, 40696698, 81393396]

約数ペア:

[(1, 81393396), (2, 40696698), (3, 27131132), (4, 20348349), (6, 13565566), (7, 11627628), (12, 6782783), (14, 5813814), (21, 3875876), (28, 2906907), (42, 1937938), (84, 968969), (139, 585564), (278, 292782), (417, 195188), (556, 146391), (834, 97594), (973, 83652), (1668, 48797), (1946, 41826), (2919, 27884), (3892, 20913), (5838, 13942), (6971, 11676)]