156720785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 212647680

約数和(自身を除く): 55926895

約数列:

[1, 5, 13, 29, 65, 71, 145, 355, 377, 923, 1171, 1885, 2059, 4615, 5855, 10295, 15223, 26767, 33959, 76115, 83141, 133835, 169795, 415705, 441467, 1080833, 2207335, 2411089, 5404165, 12055445, 31344157, 156720785]

約数ペア:

[(1, 156720785), (5, 31344157), (13, 12055445), (29, 5404165), (65, 2411089), (71, 2207335), (145, 1080833), (355, 441467), (377, 415705), (923, 169795), (1171, 133835), (1885, 83141), (2059, 76115), (4615, 33959), (5855, 26767), (10295, 15223)]