2017642775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 2715123840

約数和(自身を除く): 697481065

約数列:

[1, 5, 19, 25, 43, 95, 173, 215, 475, 571, 817, 865, 1075, 2855, 3287, 4085, 4325, 7439, 10849, 14275, 16435, 20425, 24553, 37195, 54245, 82175, 98783, 122765, 141341, 185975, 271225, 466507, 493915, 613825, 706705, 1876877, 2332535, 2469575, 3533525, 4247669, 9384385, 11662675, 21238345, 46921925, 80705711, 106191725, 403528555, 2017642775]

約数ペア:

[(1, 2017642775), (5, 403528555), (19, 106191725), (25, 80705711), (43, 46921925), (95, 21238345), (173, 11662675), (215, 9384385), (475, 4247669), (571, 3533525), (817, 2469575), (865, 2332535), (1075, 1876877), (2855, 706705), (3287, 613825), (4085, 493915), (4325, 466507), (7439, 271225), (10849, 185975), (14275, 141341), (16435, 122765), (20425, 98783), (24553, 82175), (37195, 54245)]