81196576

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1609}}^1$

素因数の和:1721

約数の個数: 48

約数和(自身を含む): 170402400

約数和(自身を除く): 89205824

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 83, 152, 166, 304, 332, 608, 664, 1328, 1577, 1609, 2656, 3154, 3218, 6308, 6436, 12616, 12872, 25232, 25744, 30571, 50464, 51488, 61142, 122284, 133547, 244568, 267094, 489136, 534188, 978272, 1068376, 2136752, 2537393, 4273504, 5074786, 10149572, 20299144, 40598288, 81196576]

約数ペア:

[(1, 81196576), (2, 40598288), (4, 20299144), (8, 10149572), (16, 5074786), (19, 4273504), (32, 2537393), (38, 2136752), (76, 1068376), (83, 978272), (152, 534188), (166, 489136), (304, 267094), (332, 244568), (608, 133547), (664, 122284), (1328, 61142), (1577, 51488), (1609, 50464), (2656, 30571), (3154, 25744), (3218, 25232), (6308, 12872), (6436, 12616)]