2688778873

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{220013}}^1$

素因数の和:220136

約数の個数: 12

約数和(自身を含む): 2984709924

約数和(自身を除く): 295931051

約数列:

[1, 11, 101, 121, 1111, 12221, 220013, 2420143, 22221313, 26621573, 244434443, 2688778873]

約数ペア:

[(1, 2688778873), (11, 244434443), (101, 26621573), (121, 22221313), (1111, 2420143), (12221, 220013)]