8215961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 10214400

約数和(自身を除く): 1998439

約数列:

[1, 13, 19, 29, 31, 37, 247, 377, 403, 481, 551, 589, 703, 899, 1073, 1147, 7163, 7657, 9139, 11687, 13949, 14911, 17081, 20387, 21793, 33263, 222053, 265031, 283309, 432419, 631997, 8215961]

約数ペア:

[(1, 8215961), (13, 631997), (19, 432419), (29, 283309), (31, 265031), (37, 222053), (247, 33263), (377, 21793), (403, 20387), (481, 17081), (551, 14911), (589, 13949), (703, 11687), (899, 9139), (1073, 7657), (1147, 7163)]