77998998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{857}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 195706368

約数和(自身を除く): 117707370

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 197, 231, 394, 462, 591, 857, 1182, 1379, 1714, 2167, 2571, 2758, 4137, 4334, 5142, 5999, 6501, 8274, 9427, 11998, 13002, 15169, 17997, 18854, 28281, 30338, 35994, 45507, 56562, 65989, 91014, 131978, 168829, 197967, 337658, 395934, 506487, 1012974, 1181803, 1857119, 2363606, 3545409, 3714238, 5571357, 7090818, 11142714, 12999833, 25999666, 38999499, 77998998]

約数ペア:

[(1, 77998998), (2, 38999499), (3, 25999666), (6, 12999833), (7, 11142714), (11, 7090818), (14, 5571357), (21, 3714238), (22, 3545409), (33, 2363606), (42, 1857119), (66, 1181803), (77, 1012974), (154, 506487), (197, 395934), (231, 337658), (394, 197967), (462, 168829), (591, 131978), (857, 91014), (1182, 65989), (1379, 56562), (1714, 45507), (2167, 35994), (2571, 30338), (2758, 28281), (4137, 18854), (4334, 17997), (5142, 15169), (5999, 13002), (6501, 11998), (8274, 9427)]