81435886

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2656

約数の個数: 32

約数和(自身を含む): 146304000

約数和(自身を除く): 64868114

約数列:

[1, 2, 7, 14, 29, 58, 79, 158, 203, 406, 553, 1106, 2291, 2539, 4582, 5078, 16037, 17773, 32074, 35546, 73631, 147262, 200581, 401162, 515417, 1030834, 1404067, 2808134, 5816849, 11633698, 40717943, 81435886]

約数ペア:

[(1, 81435886), (2, 40717943), (7, 11633698), (14, 5816849), (29, 2808134), (58, 1404067), (79, 1030834), (158, 515417), (203, 401162), (406, 200581), (553, 147262), (1106, 73631), (2291, 35546), (2539, 32074), (4582, 17773), (5078, 16037)]