38991988

素因数分解:

$2^2\times 7^1\times {\mathrm{929}}^1\times {\mathrm{1499}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 78120000

約数和(自身を除く): 39128012

約数列:

[1, 2, 4, 7, 14, 28, 929, 1499, 1858, 2998, 3716, 5996, 6503, 10493, 13006, 20986, 26012, 41972, 1392571, 2785142, 5570284, 9747997, 19495994, 38991988]

約数ペア:

[(1, 38991988), (2, 19495994), (4, 9747997), (7, 5570284), (14, 2785142), (28, 1392571), (929, 41972), (1499, 26012), (1858, 20986), (2998, 13006), (3716, 10493), (5996, 6503)]