81545534

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{253247}}^1$

素因数の和:253279

約数の個数: 16

約数和(自身を含む): 145870848

約数和(自身を除く): 64325314

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 253247, 506494, 1772729, 3545458, 5824681, 11649362, 40772767, 81545534]

約数ペア:

[(1, 81545534), (2, 40772767), (7, 11649362), (14, 5824681), (23, 3545458), (46, 1772729), (161, 506494), (322, 253247)]