220009391

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{3037}}^1$

素因数の和:3254

約数の個数: 16

約数和(自身を含む): 256650240

約数和(自身を除く): 36640849

約数列:

[1, 7, 79, 131, 553, 917, 3037, 10349, 21259, 72443, 239923, 397847, 1679461, 2784929, 31429913, 220009391]

約数ペア:

[(1, 220009391), (7, 31429913), (79, 2784929), (131, 1679461), (553, 397847), (917, 239923), (3037, 72443), (10349, 21259)]