221420353

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{8287}}^1$

素因数の和:8652

約数の個数: 16

約数和(自身を含む): 276885504

約数和(自身を除く): 55465151

約数列:

[1, 7, 11, 77, 347, 2429, 3817, 8287, 26719, 58009, 91157, 638099, 2875589, 20129123, 31631479, 221420353]

約数ペア:

[(1, 221420353), (7, 31631479), (11, 20129123), (77, 2875589), (347, 638099), (2429, 91157), (3817, 58009), (8287, 26719)]