161249946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2647}}^1$

素因数の和:2747

約数の個数: 64

約数和(自身を含む): 384362496

約数和(自身を除く): 223112550

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 426, 429, 781, 858, 923, 1562, 1846, 2343, 2647, 2769, 4686, 5294, 5538, 7941, 10153, 15882, 20306, 29117, 30459, 34411, 58234, 60918, 68822, 87351, 103233, 174702, 187937, 206466, 375874, 378521, 563811, 757042, 1127622, 1135563, 2067307, 2271126, 2443181, 4134614, 4886362, 6201921, 7329543, 12403842, 14659086, 26874991, 53749982, 80624973, 161249946]

約数ペア:

[(1, 161249946), (2, 80624973), (3, 53749982), (6, 26874991), (11, 14659086), (13, 12403842), (22, 7329543), (26, 6201921), (33, 4886362), (39, 4134614), (66, 2443181), (71, 2271126), (78, 2067307), (142, 1135563), (143, 1127622), (213, 757042), (286, 563811), (426, 378521), (429, 375874), (781, 206466), (858, 187937), (923, 174702), (1562, 103233), (1846, 87351), (2343, 68822), (2647, 60918), (2769, 58234), (4686, 34411), (5294, 30459), (5538, 29117), (7941, 20306), (10153, 15882)]