205129565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{56123}}^1$

素因数の和:56188

約数の個数: 16

約数和(自身を含む): 266701248

約数和(自身を除く): 61571683

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 56123, 280615, 954091, 2413289, 4770455, 12066445, 41025913, 205129565]

約数ペア:

[(1, 205129565), (5, 41025913), (17, 12066445), (43, 4770455), (85, 2413289), (215, 954091), (731, 280615), (3655, 56123)]