81275546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 137241216

約数和(自身を除く): 55965670

約数列:

[1, 2, 11, 22, 61, 71, 122, 142, 671, 781, 853, 1342, 1562, 1706, 4331, 8662, 9383, 18766, 47641, 52033, 60563, 95282, 104066, 121126, 572363, 666193, 1144726, 1332386, 3694343, 7388686, 40637773, 81275546]

約数ペア:

[(1, 81275546), (2, 40637773), (11, 7388686), (22, 3694343), (61, 1332386), (71, 1144726), (122, 666193), (142, 572363), (671, 121126), (781, 104066), (853, 95282), (1342, 60563), (1562, 52033), (1706, 47641), (4331, 18766), (8662, 9383)]