219620556

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{43889}}^1$

素因数の和:44038

約数の個数: 36

約数和(自身を含む): 559158600

約数和(自身を除く): 339538044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 43889, 87778, 131667, 175556, 263334, 395001, 526668, 790002, 1580004, 6100571, 12201142, 18301713, 24402284, 36603426, 54905139, 73206852, 109810278, 219620556]

約数ペア:

[(1, 219620556), (2, 109810278), (3, 73206852), (4, 54905139), (6, 36603426), (9, 24402284), (12, 18301713), (18, 12201142), (36, 6100571), (139, 1580004), (278, 790002), (417, 526668), (556, 395001), (834, 263334), (1251, 175556), (1668, 131667), (2502, 87778), (5004, 43889)]