131044018

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{406969}}^1$

素因数の和:407001

約数の個数: 16

約数和(自身を含む): 234414720

約数和(自身を除く): 103370702

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 406969, 813938, 2848783, 5697566, 9360287, 18720574, 65522009, 131044018]

約数ペア:

[(1, 131044018), (2, 65522009), (7, 18720574), (14, 9360287), (23, 5697566), (46, 2848783), (161, 813938), (322, 406969)]