777780647

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{11423}}^1$

素因数の和:11638

約数の個数: 16

約数和(自身を含む): 908070912

約数和(自身を除く): 130290265

約数列:

[1, 7, 71, 137, 497, 959, 9727, 11423, 68089, 79961, 811033, 1564951, 5677231, 10954657, 111111521, 777780647]

約数ペア:

[(1, 777780647), (7, 111111521), (71, 10954657), (137, 5677231), (497, 1564951), (959, 811033), (9727, 79961), (11423, 68089)]