71628557

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 96983040

約数和(自身を除く): 25354483

約数列:

[1, 7, 11, 13, 77, 91, 143, 163, 439, 1001, 1141, 1793, 2119, 3073, 4829, 5707, 12551, 14833, 23309, 33803, 39949, 62777, 71557, 163163, 439439, 500899, 787127, 930241, 5509889, 6511687, 10232651, 71628557]

約数ペア:

[(1, 71628557), (7, 10232651), (11, 6511687), (13, 5509889), (77, 930241), (91, 787127), (143, 500899), (163, 439439), (439, 163163), (1001, 71557), (1141, 62777), (1793, 39949), (2119, 33803), (3073, 23309), (4829, 14833), (5707, 12551)]