81338864

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{83339}}^1$

素因数の和:83408

約数の個数: 20

約数和(自身を含む): 160179480

約数和(自身を除く): 78840616

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 83339, 166678, 333356, 666712, 1333424, 5083679, 10167358, 20334716, 40669432, 81338864]

約数ペア:

[(1, 81338864), (2, 40669432), (4, 20334716), (8, 10167358), (16, 5083679), (61, 1333424), (122, 666712), (244, 333356), (488, 166678), (976, 83339)]