208686569

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{15391}}^1$

素因数の和:15560

約数の個数: 16

約数和(自身を含む): 258585600

約数和(自身を除く): 49899031

約数列:

[1, 7, 13, 91, 149, 1043, 1937, 13559, 15391, 107737, 200083, 1400581, 2293259, 16052813, 29812367, 208686569]

約数ペア:

[(1, 208686569), (7, 29812367), (13, 16052813), (91, 2293259), (149, 1400581), (1043, 200083), (1937, 107737), (13559, 15391)]