660136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 1346400

約数和(自身を除く): 686264

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 101, 152, 172, 202, 344, 404, 808, 817, 1634, 1919, 3268, 3838, 4343, 6536, 7676, 8686, 15352, 17372, 34744, 82517, 165034, 330068, 660136]

約数ペア:

[(1, 660136), (2, 330068), (4, 165034), (8, 82517), (19, 34744), (38, 17372), (43, 15352), (76, 8686), (86, 7676), (101, 6536), (152, 4343), (172, 3838), (202, 3268), (344, 1919), (404, 1634), (808, 817)]