400072016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{7621}}^1$

素因数の和:7839

約数の個数: 40

約数和(自身を含む): 825096744

約数和(自身を除く): 425024728

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 193, 272, 386, 772, 1544, 3088, 3281, 6562, 7621, 13124, 15242, 26248, 30484, 52496, 60968, 121936, 129557, 259114, 518228, 1036456, 1470853, 2072912, 2941706, 5883412, 11766824, 23533648, 25004501, 50009002, 100018004, 200036008, 400072016]

約数ペア:

[(1, 400072016), (2, 200036008), (4, 100018004), (8, 50009002), (16, 25004501), (17, 23533648), (34, 11766824), (68, 5883412), (136, 2941706), (193, 2072912), (272, 1470853), (386, 1036456), (772, 518228), (1544, 259114), (3088, 129557), (3281, 121936), (6562, 60968), (7621, 52496), (13124, 30484), (15242, 26248)]