81718978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{44753}}^1$

素因数の和:44849

約数の個数: 16

約数和(自身を含む): 135336096

約数和(自身を除く): 53617118

約数列:

[1, 2, 11, 22, 83, 166, 913, 1826, 44753, 89506, 492283, 984566, 3714499, 7428998, 40859489, 81718978]

約数ペア:

[(1, 81718978), (2, 40859489), (11, 7428998), (22, 3714499), (83, 984566), (166, 492283), (913, 89506), (1826, 44753)]