28707917

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12697}}^1$

素因数の和:12740

約数の個数: 16

約数和(自身を含む): 36570240

約数和(自身を除く): 7862323

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 12697, 88879, 215849, 241243, 1510943, 1688701, 4101131, 28707917]

約数ペア:

[(1, 28707917), (7, 4101131), (17, 1688701), (19, 1510943), (119, 241243), (133, 215849), (323, 88879), (2261, 12697)]