8191841

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 10741248

約数和(自身を除く): 2549407

約数列:

[1, 7, 17, 23, 41, 73, 119, 161, 287, 391, 511, 697, 943, 1241, 1679, 2737, 2993, 4879, 6601, 8687, 11753, 16031, 20951, 28543, 50881, 68839, 112217, 199801, 356167, 481873, 1170263, 8191841]

約数ペア:

[(1, 8191841), (7, 1170263), (17, 481873), (23, 356167), (41, 199801), (73, 112217), (119, 68839), (161, 50881), (287, 28543), (391, 20951), (511, 16031), (697, 11753), (943, 8687), (1241, 6601), (1679, 4879), (2737, 2993)]