81056381

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2389}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 95905920

約数和(自身を除く): 14849539

約数列:

[1, 7, 37, 131, 259, 917, 2389, 4847, 16723, 33929, 88393, 312959, 618751, 2190713, 11579483, 81056381]

約数ペア:

[(1, 81056381), (7, 11579483), (37, 2190713), (131, 618751), (259, 312959), (917, 88393), (2389, 33929), (4847, 16723)]