81274788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{322519}}^1$

素因数の和:322536

約数の個数: 36

約数和(自身を含む): 234794560

約数和(自身を除く): 153519772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 322519, 645038, 967557, 1290076, 1935114, 2257633, 2902671, 3870228, 4515266, 5805342, 6772899, 9030532, 11610684, 13545798, 20318697, 27091596, 40637394, 81274788]

約数ペア:

[(1, 81274788), (2, 40637394), (3, 27091596), (4, 20318697), (6, 13545798), (7, 11610684), (9, 9030532), (12, 6772899), (14, 5805342), (18, 4515266), (21, 3870228), (28, 2902671), (36, 2257633), (42, 1935114), (63, 1290076), (84, 967557), (126, 645038), (252, 322519)]