7128684

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2870

約数の個数: 36

約数和(自身を含む): 18280080

約数和(自身を除く): 11151396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 2789, 5578, 8367, 11156, 16734, 25101, 33468, 50202, 100404, 198019, 396038, 594057, 792076, 1188114, 1782171, 2376228, 3564342, 7128684]

約数ペア:

[(1, 7128684), (2, 3564342), (3, 2376228), (4, 1782171), (6, 1188114), (9, 792076), (12, 594057), (18, 396038), (36, 198019), (71, 100404), (142, 50202), (213, 33468), (284, 25101), (426, 16734), (639, 11156), (852, 8367), (1278, 5578), (2556, 2789)]