81703655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 110626560

約数和(自身を除く): 28922905

約数列:

[1, 5, 11, 43, 55, 179, 193, 215, 473, 895, 965, 1969, 2123, 2365, 7697, 8299, 9845, 10615, 34547, 38485, 41495, 84667, 91289, 172735, 380017, 423335, 456445, 1485521, 1900085, 7427605, 16340731, 81703655]

約数ペア:

[(1, 81703655), (5, 16340731), (11, 7427605), (43, 1900085), (55, 1485521), (179, 456445), (193, 423335), (215, 380017), (473, 172735), (895, 91289), (965, 84667), (1969, 41495), (2123, 38485), (2365, 34547), (7697, 10615), (8299, 9845)]