81121288

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2269}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 157311000

約数和(自身を除く): 76189712

約数列:

[1, 2, 4, 8, 41, 82, 109, 164, 218, 328, 436, 872, 2269, 4469, 4538, 8938, 9076, 17876, 18152, 35752, 93029, 186058, 247321, 372116, 494642, 744232, 989284, 1978568, 10140161, 20280322, 40560644, 81121288]

約数ペア:

[(1, 81121288), (2, 40560644), (4, 20280322), (8, 10140161), (41, 1978568), (82, 989284), (109, 744232), (164, 494642), (218, 372116), (328, 247321), (436, 186058), (872, 93029), (2269, 35752), (4469, 18152), (4538, 17876), (8938, 9076)]