28142554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19757606

約数列:

[1, 2, 11, 22, 43, 71, 86, 142, 419, 473, 781, 838, 946, 1562, 3053, 4609, 6106, 9218, 18017, 29749, 33583, 36034, 59498, 67166, 198187, 327239, 396374, 654478, 1279207, 2558414, 14071277, 28142554]

約数ペア:

[(1, 28142554), (2, 14071277), (11, 2558414), (22, 1279207), (43, 654478), (71, 396374), (86, 327239), (142, 198187), (419, 67166), (473, 59498), (781, 36034), (838, 33583), (946, 29749), (1562, 18017), (3053, 9218), (4609, 6106)]