66640196

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7968

約数の個数: 36

約数和(自身を含む): 138832848

約数和(自身を除く): 72192652

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 7907, 8428, 15814, 31628, 55349, 110698, 221396, 340001, 387443, 680002, 774886, 1360004, 1549772, 2380007, 4760014, 9520028, 16660049, 33320098, 66640196]

約数ペア:

[(1, 66640196), (2, 33320098), (4, 16660049), (7, 9520028), (14, 4760014), (28, 2380007), (43, 1549772), (49, 1360004), (86, 774886), (98, 680002), (172, 387443), (196, 340001), (301, 221396), (602, 110698), (1204, 55349), (2107, 31628), (4214, 15814), (7907, 8428)]