210947989

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{379}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 253508640

約数和(自身を除く): 42560651

約数列:

[1, 7, 37, 49, 259, 307, 379, 1813, 2149, 2653, 11359, 14023, 15043, 18571, 79513, 98161, 116353, 556591, 687127, 814471, 4305061, 5701297, 30135427, 210947989]

約数ペア:

[(1, 210947989), (7, 30135427), (37, 5701297), (49, 4305061), (259, 814471), (307, 687127), (379, 556591), (1813, 116353), (2149, 98161), (2653, 79513), (11359, 18571), (14023, 15043)]