68653039

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 85802112

約数和(自身を除く): 17149073

約数列:

[1, 7, 13, 91, 131, 169, 443, 917, 1183, 1703, 3101, 5759, 11921, 22139, 40313, 58033, 74867, 154973, 406231, 524069, 754429, 5281003, 9807577, 68653039]

約数ペア:

[(1, 68653039), (7, 9807577), (13, 5281003), (91, 754429), (131, 524069), (169, 406231), (443, 154973), (917, 74867), (1183, 58033), (1703, 40313), (3101, 22139), (5759, 11921)]