71022721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 92236032

約数和(自身を除く): 21213311

約数列:

[1, 7, 11, 37, 77, 97, 257, 259, 407, 679, 1067, 1799, 2827, 2849, 3589, 7469, 9509, 19789, 24929, 25123, 39479, 66563, 104599, 174503, 274219, 276353, 732193, 922373, 1919533, 6456611, 10146103, 71022721]

約数ペア:

[(1, 71022721), (7, 10146103), (11, 6456611), (37, 1919533), (77, 922373), (97, 732193), (257, 276353), (259, 274219), (407, 174503), (679, 104599), (1067, 66563), (1799, 39479), (2827, 25123), (2849, 24929), (3589, 19789), (7469, 9509)]