128217485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137131}}^1$

素因数の和:137164

約数の個数: 16

約数和(自身を含む): 177723072

約数和(自身を除く): 49505587

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 137131, 685655, 1508441, 2331227, 7542205, 11656135, 25643497, 128217485]

約数ペア:

[(1, 128217485), (5, 25643497), (11, 11656135), (17, 7542205), (55, 2331227), (85, 1508441), (187, 685655), (935, 137131)]