1288822015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{9811}}^1$

素因数の和:9919

約数の個数: 32

約数和(自身を含む): 1740727296

約数和(自身を除く): 451905281

約数列:

[1, 5, 13, 43, 47, 65, 215, 235, 559, 611, 2021, 2795, 3055, 9811, 10105, 26273, 49055, 127543, 131365, 421873, 461117, 637715, 2109365, 2305585, 5484349, 5994521, 19828031, 27421745, 29972605, 99140155, 257764403, 1288822015]

約数ペア:

[(1, 1288822015), (5, 257764403), (13, 99140155), (43, 29972605), (47, 27421745), (65, 19828031), (215, 5994521), (235, 5484349), (559, 2305585), (611, 2109365), (2021, 637715), (2795, 461117), (3055, 421873), (9811, 131365), (10105, 127543), (26273, 49055)]