171878135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 255104640

約数和(自身を除く): 83226505

約数列:

[1, 5, 11, 13, 37, 55, 65, 73, 89, 143, 185, 365, 407, 445, 481, 715, 803, 949, 979, 1157, 2035, 2405, 2701, 3293, 4015, 4745, 4895, 5291, 5785, 6497, 10439, 12727, 13505, 16465, 26455, 29711, 32485, 35113, 36223, 42809, 52195, 63635, 71467, 84461, 148555, 175565, 181115, 214045, 240389, 357335, 386243, 422305, 470899, 929071, 1201945, 1931215, 2354495, 2644279, 3125057, 4645355, 13221395, 15625285, 34375627, 171878135]

約数ペア:

[(1, 171878135), (5, 34375627), (11, 15625285), (13, 13221395), (37, 4645355), (55, 3125057), (65, 2644279), (73, 2354495), (89, 1931215), (143, 1201945), (185, 929071), (365, 470899), (407, 422305), (445, 386243), (481, 357335), (715, 240389), (803, 214045), (949, 181115), (979, 175565), (1157, 148555), (2035, 84461), (2405, 71467), (2701, 63635), (3293, 52195), (4015, 42809), (4745, 36223), (4895, 35113), (5291, 32485), (5785, 29711), (6497, 26455), (10439, 16465), (12727, 13505)]