221464831

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{30509}}^1$

素因数の和:30594

約数の個数: 16

約数和(自身を含む): 272393280

約数和(自身を除く): 50928449

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 30509, 213563, 518653, 1861049, 3630571, 13027343, 31637833, 221464831]

約数ペア:

[(1, 221464831), (7, 31637833), (17, 13027343), (61, 3630571), (119, 1861049), (427, 518653), (1037, 213563), (7259, 30509)]