12721836

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 31046400

約数和(自身を除く): 18324564

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 139, 174, 263, 278, 348, 417, 526, 556, 789, 834, 1052, 1578, 1668, 3156, 4031, 7627, 8062, 12093, 15254, 16124, 22881, 24186, 30508, 36557, 45762, 48372, 73114, 91524, 109671, 146228, 219342, 438684, 1060153, 2120306, 3180459, 4240612, 6360918, 12721836]

約数ペア:

[(1, 12721836), (2, 6360918), (3, 4240612), (4, 3180459), (6, 2120306), (12, 1060153), (29, 438684), (58, 219342), (87, 146228), (116, 109671), (139, 91524), (174, 73114), (263, 48372), (278, 45762), (348, 36557), (417, 30508), (526, 24186), (556, 22881), (789, 16124), (834, 15254), (1052, 12093), (1578, 8062), (1668, 7627), (3156, 4031)]