64891211

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3331}}^1$

素因数の和:3383

約数の個数: 24

約数和(自身を含む): 85085952

約数和(自身を除く): 20194741

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 3331, 19481, 23317, 36641, 76613, 256487, 403051, 536291, 842743, 2821357, 5899201, 9270173, 64891211]

約数ペア:

[(1, 64891211), (7, 9270173), (11, 5899201), (23, 2821357), (77, 842743), (121, 536291), (161, 403051), (253, 256487), (847, 76613), (1771, 36641), (2783, 23317), (3331, 19481)]