1999228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6491}}^1$

素因数の和:6513

約数の個数: 24

約数和(自身を含む): 4362624

約数和(自身を除く): 2363396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 6491, 12982, 25964, 45437, 71401, 90874, 142802, 181748, 285604, 499807, 999614, 1999228]

約数ペア:

[(1, 1999228), (2, 999614), (4, 499807), (7, 285604), (11, 181748), (14, 142802), (22, 90874), (28, 71401), (44, 45437), (77, 25964), (154, 12982), (308, 6491)]