86643557

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 117621504

約数和(自身を除く): 30977947

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 707, 857, 1001, 1111, 1313, 5999, 7777, 9191, 9427, 11141, 14443, 65989, 77987, 86557, 101101, 122551, 605899, 857857, 952127, 1125241, 6664889, 7876687, 12377651, 86643557]

約数ペア:

[(1, 86643557), (7, 12377651), (11, 7876687), (13, 6664889), (77, 1125241), (91, 952127), (101, 857857), (143, 605899), (707, 122551), (857, 101101), (1001, 86557), (1111, 77987), (1313, 65989), (5999, 14443), (7777, 11141), (9191, 9427)]