85269025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 112486104

約数和(自身を除く): 27217079

約数列:

[1, 5, 17, 25, 85, 313, 425, 641, 1565, 3205, 5321, 7825, 10897, 16025, 26605, 54485, 133025, 200633, 272425, 1003165, 3410761, 5015825, 17053805, 85269025]

約数ペア:

[(1, 85269025), (5, 17053805), (17, 5015825), (25, 3410761), (85, 1003165), (313, 272425), (425, 200633), (641, 133025), (1565, 54485), (3205, 26605), (5321, 16025), (7825, 10897)]