81172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 175616

約数和(自身を除く): 94444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 223, 364, 446, 892, 1561, 2899, 3122, 5798, 6244, 11596, 20293, 40586, 81172]

約数ペア:

[(1, 81172), (2, 40586), (4, 20293), (7, 11596), (13, 6244), (14, 5798), (26, 3122), (28, 2899), (52, 1561), (91, 892), (182, 446), (223, 364)]