56891989

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1789}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 73461600

約数和(自身を除く): 16569611

約数列:

[1, 7, 11, 49, 59, 77, 413, 539, 649, 1789, 2891, 4543, 12523, 19679, 31801, 87661, 105551, 137753, 738857, 964271, 1161061, 5171999, 8127427, 56891989]

約数ペア:

[(1, 56891989), (7, 8127427), (11, 5171999), (49, 1161061), (59, 964271), (77, 738857), (413, 137753), (539, 105551), (649, 87661), (1789, 31801), (2891, 19679), (4543, 12523)]