397668859

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{5101}}^1$

素因数の和:5195

約数の個数: 24

約数和(自身を含む): 486241008

約数和(自身を除く): 88572149

約数列:

[1, 7, 37, 43, 49, 259, 301, 1591, 1813, 2107, 5101, 11137, 35707, 77959, 188737, 219343, 249949, 1321159, 1535401, 8115691, 9248113, 10747807, 56809837, 397668859]

約数ペア:

[(1, 397668859), (7, 56809837), (37, 10747807), (43, 9248113), (49, 8115691), (259, 1535401), (301, 1321159), (1591, 249949), (1813, 219343), (2107, 188737), (5101, 77959), (11137, 35707)]