81329716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{13841}}^1$

素因数の和:13971

約数の個数: 24

約数和(自身を含む): 154642824

約数和(自身を除く): 73313108

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 5876, 13841, 27682, 55364, 179933, 359866, 719732, 1564033, 3128066, 6256132, 20332429, 40664858, 81329716]

約数ペア:

[(1, 81329716), (2, 40664858), (4, 20332429), (13, 6256132), (26, 3128066), (52, 1564033), (113, 719732), (226, 359866), (452, 179933), (1469, 55364), (2938, 27682), (5876, 13841)]