78544081

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 105937920

約数和(自身を除く): 27393839

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 407, 703, 1451, 1463, 2849, 4921, 7733, 10157, 15961, 27569, 53687, 54131, 111727, 192983, 303259, 375809, 590557, 1020053, 2122813, 4133899, 7140371, 11220583, 78544081]

約数ペア:

[(1, 78544081), (7, 11220583), (11, 7140371), (19, 4133899), (37, 2122813), (77, 1020053), (133, 590557), (209, 375809), (259, 303259), (407, 192983), (703, 111727), (1451, 54131), (1463, 53687), (2849, 27569), (4921, 15961), (7733, 10157)]