645064255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{404429}}^1$

素因数の和:404474

約数の個数: 16

約数和(自身を含む): 873568800

約数和(自身を除く): 228504545

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 404429, 2022145, 4448719, 11728441, 22243595, 58642205, 129012851, 645064255]

約数ペア:

[(1, 645064255), (5, 129012851), (11, 58642205), (29, 22243595), (55, 11728441), (145, 4448719), (319, 2022145), (1595, 404429)]