285439232

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 618105600

約数和(自身を除く): 332666368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 199, 208, 256, 398, 416, 431, 796, 832, 862, 1592, 1664, 1724, 2587, 3184, 3328, 3448, 5174, 5603, 6368, 6896, 10348, 11206, 12736, 13792, 20696, 22412, 25472, 27584, 41392, 44824, 50944, 55168, 82784, 85769, 89648, 110336, 165568, 171538, 179296, 331136, 343076, 358592, 662272, 686152, 717184, 1114997, 1372304, 1434368, 2229994, 2744608, 4459988, 5489216, 8919976, 10978432, 17839952, 21956864, 35679904, 71359808, 142719616, 285439232]

約数ペア:

[(1, 285439232), (2, 142719616), (4, 71359808), (8, 35679904), (13, 21956864), (16, 17839952), (26, 10978432), (32, 8919976), (52, 5489216), (64, 4459988), (104, 2744608), (128, 2229994), (199, 1434368), (208, 1372304), (256, 1114997), (398, 717184), (416, 686152), (431, 662272), (796, 358592), (832, 343076), (862, 331136), (1592, 179296), (1664, 171538), (1724, 165568), (2587, 110336), (3184, 89648), (3328, 85769), (3448, 82784), (5174, 55168), (5603, 50944), (6368, 44824), (6896, 41392), (10348, 27584), (11206, 25472), (12736, 22412), (13792, 20696)]