164019989

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 202192128

約数和(自身を除く): 38172139

約数列:

[1, 7, 19, 47, 133, 329, 361, 893, 1381, 2527, 6251, 9667, 16967, 26239, 64907, 118769, 183673, 454349, 498541, 1233233, 3489787, 8632631, 23431427, 164019989]

約数ペア:

[(1, 164019989), (7, 23431427), (19, 8632631), (47, 3489787), (133, 1233233), (329, 498541), (361, 454349), (893, 183673), (1381, 118769), (2527, 64907), (6251, 26239), (9667, 16967)]