399836896

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{3203}}^1$

素因数の和:3343

約数の個数: 48

約数和(自身を含む): 813867264

約数和(自身を除く): 414030368

約数列:

[1, 2, 4, 8, 16, 32, 47, 83, 94, 166, 188, 332, 376, 664, 752, 1328, 1504, 2656, 3203, 3901, 6406, 7802, 12812, 15604, 25624, 31208, 51248, 62416, 102496, 124832, 150541, 265849, 301082, 531698, 602164, 1063396, 1204328, 2126792, 2408656, 4253584, 4817312, 8507168, 12494903, 24989806, 49979612, 99959224, 199918448, 399836896]

約数ペア:

[(1, 399836896), (2, 199918448), (4, 99959224), (8, 49979612), (16, 24989806), (32, 12494903), (47, 8507168), (83, 4817312), (94, 4253584), (166, 2408656), (188, 2126792), (332, 1204328), (376, 1063396), (664, 602164), (752, 531698), (1328, 301082), (1504, 265849), (2656, 150541), (3203, 124832), (3901, 102496), (6406, 62416), (7802, 51248), (12812, 31208), (15604, 25624)]