22156981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12511}}^1$

素因数の和:12552

約数の個数: 16

約数和(自身を含む): 28827648

約数和(自身を除く): 6670667

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12511, 87577, 137621, 287753, 963347, 2014271, 3165283, 22156981]

約数ペア:

[(1, 22156981), (7, 3165283), (11, 2014271), (23, 963347), (77, 287753), (161, 137621), (253, 87577), (1771, 12511)]