20171918425

素因数分解:

$5^2\times {\mathrm{197}}^1\times {\mathrm{631}}^1\times {\mathrm{6491}}^1$

素因数の和:7329

約数の個数: 24

約数和(自身を含む): 25183870272

約数和(自身を除く): 5011951847

約数列:

[1, 5, 25, 197, 631, 985, 3155, 4925, 6491, 15775, 32455, 124307, 162275, 621535, 1278727, 3107675, 4095821, 6393635, 20479105, 31968175, 102395525, 806876737, 4034383685, 20171918425]

約数ペア:

[(1, 20171918425), (5, 4034383685), (25, 806876737), (197, 102395525), (631, 31968175), (985, 20479105), (3155, 6393635), (4925, 4095821), (6491, 3107675), (15775, 1278727), (32455, 621535), (124307, 162275)]