64778812

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 133765632

約数和(自身を除く): 68986820

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 173, 301, 311, 346, 602, 622, 692, 1204, 1211, 1244, 2177, 2422, 4354, 4844, 7439, 8708, 13373, 14878, 26746, 29756, 52073, 53492, 53803, 93611, 104146, 107606, 187222, 208292, 215212, 374444, 376621, 753242, 1506484, 2313529, 4627058, 9254116, 16194703, 32389406, 64778812]

約数ペア:

[(1, 64778812), (2, 32389406), (4, 16194703), (7, 9254116), (14, 4627058), (28, 2313529), (43, 1506484), (86, 753242), (172, 376621), (173, 374444), (301, 215212), (311, 208292), (346, 187222), (602, 107606), (622, 104146), (692, 93611), (1204, 53803), (1211, 53492), (1244, 52073), (2177, 29756), (2422, 26746), (4354, 14878), (4844, 13373), (7439, 8708)]