81198278

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 142560000

約数和(自身を除く): 61361722

約数列:

[1, 2, 7, 14, 59, 118, 197, 394, 413, 499, 826, 998, 1379, 2758, 3493, 6986, 11623, 23246, 29441, 58882, 81361, 98303, 162722, 196606, 206087, 412174, 688121, 1376242, 5799877, 11599754, 40599139, 81198278]

約数ペア:

[(1, 81198278), (2, 40599139), (7, 11599754), (14, 5799877), (59, 1376242), (118, 688121), (197, 412174), (394, 206087), (413, 196606), (499, 162722), (826, 98303), (998, 81361), (1379, 58882), (2758, 29441), (3493, 23246), (6986, 11623)]