31213756

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4999}}^1$

素因数の和:5233

約数の個数: 24

約数和(自身を含む): 62720000

約数和(自身を除く): 31506244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 4999, 6244, 9998, 19996, 34993, 69986, 139972, 1114777, 2229554, 4459108, 7803439, 15606878, 31213756]

約数ペア:

[(1, 31213756), (2, 15606878), (4, 7803439), (7, 4459108), (14, 2229554), (28, 1114777), (223, 139972), (446, 69986), (892, 34993), (1561, 19996), (3122, 9998), (4999, 6244)]