3985025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 5532384

約数和(自身を除く): 1547359

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 337, 473, 1075, 1685, 2365, 3707, 8425, 11825, 14491, 18535, 72455, 92675, 159401, 362275, 797005, 3985025]

約数ペア:

[(1, 3985025), (5, 797005), (11, 362275), (25, 159401), (43, 92675), (55, 72455), (215, 18535), (275, 14491), (337, 11825), (473, 8425), (1075, 3707), (1685, 2365)]