1780227071

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{79549}}^1$

素因数の和:79718

約数の個数: 16

約数和(自身を含む): 2138304000

約数和(自身を除く): 358076929

約数列:

[1, 7, 23, 139, 161, 973, 3197, 22379, 79549, 556843, 1829627, 11057311, 12807389, 77401177, 254318153, 1780227071]

約数ペア:

[(1, 1780227071), (7, 254318153), (23, 77401177), (139, 12807389), (161, 11057311), (973, 1829627), (3197, 556843), (22379, 79549)]