81433984

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 171360000

約数和(自身を除く): 89926016

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 139, 184, 199, 278, 368, 398, 556, 736, 796, 1112, 1472, 1592, 2224, 2944, 3184, 3197, 4448, 4577, 6368, 6394, 8896, 9154, 12736, 12788, 17792, 18308, 25472, 25576, 27661, 36616, 51152, 55322, 73232, 102304, 110644, 146464, 204608, 221288, 292928, 409216, 442576, 585856, 636203, 885152, 1272406, 1770304, 2544812, 3540608, 5089624, 10179248, 20358496, 40716992, 81433984]

約数ペア:

[(1, 81433984), (2, 40716992), (4, 20358496), (8, 10179248), (16, 5089624), (23, 3540608), (32, 2544812), (46, 1770304), (64, 1272406), (92, 885152), (128, 636203), (139, 585856), (184, 442576), (199, 409216), (278, 292928), (368, 221288), (398, 204608), (556, 146464), (736, 110644), (796, 102304), (1112, 73232), (1472, 55322), (1592, 51152), (2224, 36616), (2944, 27661), (3184, 25576), (3197, 25472), (4448, 18308), (4577, 17792), (6368, 12788), (6394, 12736), (8896, 9154)]