222721981

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{1117}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 243178416

約数和(自身を除く): 20456435

約数列:

[1, 17, 37, 317, 629, 1117, 5389, 11729, 18989, 41329, 199393, 354089, 702593, 6019513, 13101293, 222721981]

約数ペア:

[(1, 222721981), (17, 13101293), (37, 6019513), (317, 702593), (629, 354089), (1117, 199393), (5389, 41329), (11729, 18989)]