81311255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1\times {\mathrm{1597}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 103550400

約数和(自身を除く): 22239145

約数列:

[1, 5, 17, 85, 599, 1597, 2995, 7985, 10183, 27149, 50915, 135745, 956603, 4783015, 16262251, 81311255]

約数ペア:

[(1, 81311255), (5, 16262251), (17, 4783015), (85, 956603), (599, 135745), (1597, 50915), (2995, 27149), (7985, 10183)]