39997937

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 46694400

約数和(自身を除く): 6696463

約数列:

[1, 7, 79, 151, 479, 553, 1057, 3353, 11929, 37841, 72329, 83503, 264887, 506303, 5713991, 39997937]

約数ペア:

[(1, 39997937), (7, 5713991), (79, 506303), (151, 264887), (479, 83503), (553, 72329), (1057, 37841), (3353, 11929)]