66779281

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 79315200

約数和(自身を除く): 12535919

約数列:

[1, 17, 19, 23, 89, 101, 323, 391, 437, 1513, 1691, 1717, 1919, 2047, 2323, 7429, 8989, 28747, 32623, 34799, 38893, 39491, 44137, 152813, 170791, 206747, 661181, 750329, 2903447, 3514699, 3928193, 66779281]

約数ペア:

[(1, 66779281), (17, 3928193), (19, 3514699), (23, 2903447), (89, 750329), (101, 661181), (323, 206747), (391, 170791), (437, 152813), (1513, 44137), (1691, 39491), (1717, 38893), (1919, 34799), (2047, 32623), (2323, 28747), (7429, 8989)]