642852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2551}}^1$

素因数の和:2568

約数の個数: 36

約数和(自身を含む): 1857856

約数和(自身を除く): 1215004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2551, 5102, 7653, 10204, 15306, 17857, 22959, 30612, 35714, 45918, 53571, 71428, 91836, 107142, 160713, 214284, 321426, 642852]

約数ペア:

[(1, 642852), (2, 321426), (3, 214284), (4, 160713), (6, 107142), (7, 91836), (9, 71428), (12, 53571), (14, 45918), (18, 35714), (21, 30612), (28, 22959), (36, 17857), (42, 15306), (63, 10204), (84, 7653), (126, 5102), (252, 2551)]