128759071

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{25163}}^1$

素因数の和:25230

約数の個数: 16

約数和(自身を含む): 159439104

約数和(自身を除く): 30680033

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 25163, 176141, 427771, 1082009, 2994397, 7574063, 18394153, 128759071]

約数ペア:

[(1, 128759071), (7, 18394153), (17, 7574063), (43, 2994397), (119, 1082009), (301, 427771), (731, 176141), (5117, 25163)]