40801278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2447}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 93533184

約数和(自身を除く): 52731906

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1191, 2382, 2447, 2779, 4894, 5558, 7341, 8337, 14682, 16674, 17129, 34258, 51387, 102774, 971459, 1942918, 2914377, 5828754, 6800213, 13600426, 20400639, 40801278]

約数ペア:

[(1, 40801278), (2, 20400639), (3, 13600426), (6, 6800213), (7, 5828754), (14, 2914377), (21, 1942918), (42, 971459), (397, 102774), (794, 51387), (1191, 34258), (2382, 17129), (2447, 16674), (2779, 14682), (4894, 8337), (5558, 7341)]