81139394

素因数分解:

$2^1\times 7^4\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 40

約数和(自身を含む): 144834108

約数和(自身を除く): 63694714

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 277, 343, 427, 554, 686, 854, 1939, 2401, 2989, 3878, 4802, 5978, 13573, 16897, 20923, 27146, 33794, 41846, 95011, 118279, 146461, 190022, 236558, 292922, 665077, 827953, 1330154, 1655906, 5795671, 11591342, 40569697, 81139394]

約数ペア:

[(1, 81139394), (2, 40569697), (7, 11591342), (14, 5795671), (49, 1655906), (61, 1330154), (98, 827953), (122, 665077), (277, 292922), (343, 236558), (427, 190022), (554, 146461), (686, 118279), (854, 95011), (1939, 41846), (2401, 33794), (2989, 27146), (3878, 20923), (4802, 16897), (5978, 13573)]