1999912432

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{953}}^1$

素因数の和:1466

約数の個数: 80

約数和(自身を含む): 4551083712

約数和(自身を除く): 2551171280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 457, 574, 656, 914, 953, 1148, 1828, 1906, 2296, 3199, 3656, 3812, 4592, 6398, 6671, 7312, 7624, 12796, 13342, 15248, 18737, 25592, 26684, 37474, 39073, 51184, 53368, 74948, 78146, 106736, 131159, 149896, 156292, 262318, 273511, 299792, 312584, 435521, 524636, 547022, 625168, 871042, 1049272, 1094044, 1742084, 2098544, 2188088, 3048647, 3484168, 4376176, 6097294, 6968336, 12194588, 17856361, 24389176, 35712722, 48778352, 71425444, 124994527, 142850888, 249989054, 285701776, 499978108, 999956216, 1999912432]

約数ペア:

[(1, 1999912432), (2, 999956216), (4, 499978108), (7, 285701776), (8, 249989054), (14, 142850888), (16, 124994527), (28, 71425444), (41, 48778352), (56, 35712722), (82, 24389176), (112, 17856361), (164, 12194588), (287, 6968336), (328, 6097294), (457, 4376176), (574, 3484168), (656, 3048647), (914, 2188088), (953, 2098544), (1148, 1742084), (1828, 1094044), (1906, 1049272), (2296, 871042), (3199, 625168), (3656, 547022), (3812, 524636), (4592, 435521), (6398, 312584), (6671, 299792), (7312, 273511), (7624, 262318), (12796, 156292), (13342, 149896), (15248, 131159), (18737, 106736), (25592, 78146), (26684, 74948), (37474, 53368), (39073, 51184)]