81741374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{919}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 144668160

約数和(自身を除く): 62926786

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 311, 622, 919, 1838, 3421, 4043, 6842, 8086, 10109, 11947, 20218, 23894, 44473, 88946, 131417, 262834, 285809, 571618, 3143899, 3715517, 6287798, 7431034, 40870687, 81741374]

約数ペア:

[(1, 81741374), (2, 40870687), (11, 7431034), (13, 6287798), (22, 3715517), (26, 3143899), (143, 571618), (286, 285809), (311, 262834), (622, 131417), (919, 88946), (1838, 44473), (3421, 23894), (4043, 20218), (6842, 11947), (8086, 10109)]