31381112

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1123}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 67440000

約数和(自身を除く): 36058888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 998, 1123, 1996, 2246, 3493, 3992, 4492, 6986, 7861, 8984, 13972, 15722, 27944, 31444, 62888, 560377, 1120754, 2241508, 3922639, 4483016, 7845278, 15690556, 31381112]

約数ペア:

[(1, 31381112), (2, 15690556), (4, 7845278), (7, 4483016), (8, 3922639), (14, 2241508), (28, 1120754), (56, 560377), (499, 62888), (998, 31444), (1123, 27944), (1996, 15722), (2246, 13972), (3493, 8984), (3992, 7861), (4492, 6986)]