7850725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 10202720

約数和(自身を除く): 2351995

約数列:

[1, 5, 25, 43, 67, 109, 215, 335, 545, 1075, 1675, 2725, 2881, 4687, 7303, 14405, 23435, 36515, 72025, 117175, 182575, 314029, 1570145, 7850725]

約数ペア:

[(1, 7850725), (5, 1570145), (25, 314029), (43, 182575), (67, 117175), (109, 72025), (215, 36515), (335, 23435), (545, 14405), (1075, 7303), (1675, 4687), (2725, 2881)]