131206255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41719}}^1$

素因数の和:41778

約数の個数: 16

約数和(自身を含む): 171218880

約数和(自身を除く): 40012625

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 41719, 208595, 709223, 1543603, 3546115, 7718015, 26241251, 131206255]

約数ペア:

[(1, 131206255), (5, 26241251), (17, 7718015), (37, 3546115), (85, 1543603), (185, 709223), (629, 208595), (3145, 41719)]