81459274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 144051768

約数和(自身を除く): 62592494

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 221, 289, 293, 442, 481, 578, 586, 629, 962, 1258, 3757, 3809, 4981, 7514, 7618, 8177, 9962, 10693, 10841, 16354, 21386, 21682, 64753, 84677, 129506, 139009, 140933, 169354, 184297, 278018, 281866, 368594, 1100801, 2201602, 2395861, 3133049, 4791722, 6266098, 40729637, 81459274]

約数ペア:

[(1, 81459274), (2, 40729637), (13, 6266098), (17, 4791722), (26, 3133049), (34, 2395861), (37, 2201602), (74, 1100801), (221, 368594), (289, 281866), (293, 278018), (442, 184297), (481, 169354), (578, 140933), (586, 139009), (629, 129506), (962, 84677), (1258, 64753), (3757, 21682), (3809, 21386), (4981, 16354), (7514, 10841), (7618, 10693), (8177, 9962)]