22639981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 7519379

約数列:

[1, 7, 13, 23, 29, 91, 161, 203, 299, 373, 377, 667, 2093, 2611, 2639, 4669, 4849, 8579, 8671, 10817, 33943, 60053, 60697, 75719, 111527, 140621, 248791, 780689, 984347, 1741537, 3234283, 22639981]

約数ペア:

[(1, 22639981), (7, 3234283), (13, 1741537), (23, 984347), (29, 780689), (91, 248791), (161, 140621), (203, 111527), (299, 75719), (373, 60697), (377, 60053), (667, 33943), (2093, 10817), (2611, 8671), (2639, 8579), (4669, 4849)]