989478985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{620363}}^1$

素因数の和:620408

約数の個数: 16

約数和(自身を含む): 1339986240

約数和(自身を除く): 350507255

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 620363, 3101815, 6823993, 17990527, 34119965, 89952635, 197895797, 989478985]

約数ペア:

[(1, 989478985), (5, 197895797), (11, 89952635), (29, 34119965), (55, 17990527), (145, 6823993), (319, 3101815), (1595, 620363)]