161489216

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5077}}^1$

素因数の和:5167

約数の個数: 56

約数和(自身を含む): 371465856

約数和(自身を除く): 209976640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 5077, 7952, 10154, 15904, 20308, 31808, 35539, 40616, 71078, 81232, 142156, 162464, 284312, 324928, 360467, 568624, 720934, 1137248, 1441868, 2274496, 2523269, 2883736, 5046538, 5767472, 10093076, 11534944, 20186152, 23069888, 40372304, 80744608, 161489216]

約数ペア:

[(1, 161489216), (2, 80744608), (4, 40372304), (7, 23069888), (8, 20186152), (14, 11534944), (16, 10093076), (28, 5767472), (32, 5046538), (56, 2883736), (64, 2523269), (71, 2274496), (112, 1441868), (142, 1137248), (224, 720934), (284, 568624), (448, 360467), (497, 324928), (568, 284312), (994, 162464), (1136, 142156), (1988, 81232), (2272, 71078), (3976, 40616), (4544, 35539), (5077, 31808), (7952, 20308), (10154, 15904)]