12895421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{751}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 16171008

約数和(自身を除く): 3275587

約数列:

[1, 7, 11, 77, 223, 751, 1561, 2453, 5257, 8261, 17171, 57827, 167473, 1172311, 1842203, 12895421]

約数ペア:

[(1, 12895421), (7, 1842203), (11, 1172311), (77, 167473), (223, 57827), (751, 17171), (1561, 8261), (2453, 5257)]