81915262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7741}}^1$

素因数の和:7804

約数の個数: 32

約数和(自身を含む): 148274784

約数和(自身を除く): 66359522

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 5291, 7741, 10582, 15482, 85151, 100633, 170302, 201266, 286417, 572834, 1106963, 2213926, 3150587, 3723421, 6301174, 7446842, 40957631, 81915262]

約数ペア:

[(1, 81915262), (2, 40957631), (11, 7446842), (13, 6301174), (22, 3723421), (26, 3150587), (37, 2213926), (74, 1106963), (143, 572834), (286, 286417), (407, 201266), (481, 170302), (814, 100633), (962, 85151), (5291, 15482), (7741, 10582)]