551617975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 746380800

約数和(自身を除く): 194762825

約数列:

[1, 5, 19, 25, 43, 95, 113, 215, 239, 475, 565, 817, 1075, 1195, 2147, 2825, 4085, 4541, 4859, 5975, 10277, 10735, 20425, 22705, 24295, 27007, 51385, 53675, 92321, 113525, 121475, 135035, 195263, 256925, 461605, 513133, 675175, 976315, 1161301, 2308025, 2565665, 4881575, 5806505, 12828325, 22064719, 29032525, 110323595, 551617975]

約数ペア:

[(1, 551617975), (5, 110323595), (19, 29032525), (25, 22064719), (43, 12828325), (95, 5806505), (113, 4881575), (215, 2565665), (239, 2308025), (475, 1161301), (565, 976315), (817, 675175), (1075, 513133), (1195, 461605), (2147, 256925), (2825, 195263), (4085, 135035), (4541, 121475), (4859, 113525), (5975, 92321), (10277, 53675), (10735, 51385), (20425, 27007), (22705, 24295)]