1245195505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251809}}^1$

素因数の和:251880

約数の個数: 16

約数和(自身を含む): 1595468160

約数和(自身を除く): 350272655

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 251809, 1259045, 5791607, 10827787, 28958035, 54138935, 249039101, 1245195505]

約数ペア:

[(1, 1245195505), (5, 249039101), (23, 54138935), (43, 28958035), (115, 10827787), (215, 5791607), (989, 1259045), (4945, 251809)]