80491306

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{249973}}^1$

素因数の和:250005

約数の個数: 16

約数和(自身を含む): 143985024

約数和(自身を除く): 63493718

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 249973, 499946, 1749811, 3499622, 5749379, 11498758, 40245653, 80491306]

約数ペア:

[(1, 80491306), (2, 40245653), (7, 11498758), (14, 5749379), (23, 3499622), (46, 1749811), (161, 499946), (322, 249973)]