66688586

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 108501120

約数和(自身を除く): 41812534

約数列:

[1, 2, 17, 34, 103, 137, 139, 206, 274, 278, 1751, 2329, 2363, 3502, 4658, 4726, 14111, 14317, 19043, 28222, 28634, 38086, 239887, 243389, 323731, 479774, 486778, 647462, 1961429, 3922858, 33344293, 66688586]

約数ペア:

[(1, 66688586), (2, 33344293), (17, 3922858), (34, 1961429), (103, 647462), (137, 486778), (139, 479774), (206, 323731), (274, 243389), (278, 239887), (1751, 38086), (2329, 28634), (2363, 28222), (3502, 19043), (4658, 14317), (4726, 14111)]