420432887

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{5393}}^1$

素因数の和:5487

約数の個数: 24

約数和(自身を含む): 514069776

約数和(自身を除く): 93636889

約数列:

[1, 7, 37, 43, 49, 259, 301, 1591, 1813, 2107, 5393, 11137, 37751, 77959, 199541, 231899, 264257, 1396787, 1623293, 8580263, 9777509, 11363051, 60061841, 420432887]

約数ペア:

[(1, 420432887), (7, 60061841), (37, 11363051), (43, 9777509), (49, 8580263), (259, 1623293), (301, 1396787), (1591, 264257), (1813, 231899), (2107, 199541), (5393, 77959), (11137, 37751)]