1280497045

素因数分解:

$5^1\times {\mathrm{197}}^1\times {\mathrm{911}}^1\times {\mathrm{1427}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 1547175168

約数和(自身を除く): 266678123

約数列:

[1, 5, 197, 911, 985, 1427, 4555, 7135, 179467, 281119, 897335, 1299997, 1405595, 6499985, 256099409, 1280497045]

約数ペア:

[(1, 1280497045), (5, 256099409), (197, 6499985), (911, 1405595), (985, 1299997), (1427, 897335), (4555, 281119), (7135, 179467)]