197962919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2879}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 265420800

約数和(自身を除く): 67457881

約数列:

[1, 7, 11, 19, 47, 77, 133, 209, 329, 517, 893, 1463, 2879, 3619, 6251, 9823, 20153, 31669, 54701, 68761, 135313, 221683, 382907, 601711, 947191, 1488443, 2570947, 4211977, 10419101, 17996629, 28280417, 197962919]

約数ペア:

[(1, 197962919), (7, 28280417), (11, 17996629), (19, 10419101), (47, 4211977), (77, 2570947), (133, 1488443), (209, 947191), (329, 601711), (517, 382907), (893, 221683), (1463, 135313), (2879, 68761), (3619, 54701), (6251, 31669), (9823, 20153)]