216223

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 16

約数和(自身を含む): 276480

約数和(自身を除く): 60257

約数列:

[1, 7, 17, 23, 79, 119, 161, 391, 553, 1343, 1817, 2737, 9401, 12719, 30889, 216223]

約数ペア:

[(1, 216223), (7, 30889), (17, 12719), (23, 9401), (79, 2737), (119, 1817), (161, 1343), (391, 553)]