279764255

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1\times {\mathrm{991}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 339406848

約数和(自身を除く): 59642593

約数列:

[1, 5, 131, 431, 655, 991, 2155, 4955, 56461, 129821, 282305, 427121, 649105, 2135605, 55952851, 279764255]

約数ペア:

[(1, 279764255), (5, 55952851), (131, 2135605), (431, 649105), (655, 427121), (991, 282305), (2155, 129821), (4955, 56461)]