2561288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 5232600

約数和(自身を除く): 2671312

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 509, 629, 1018, 1258, 2036, 2516, 4072, 5032, 8653, 17306, 18833, 34612, 37666, 69224, 75332, 150664, 320161, 640322, 1280644, 2561288]

約数ペア:

[(1, 2561288), (2, 1280644), (4, 640322), (8, 320161), (17, 150664), (34, 75332), (37, 69224), (68, 37666), (74, 34612), (136, 18833), (148, 17306), (296, 8653), (509, 5032), (629, 4072), (1018, 2516), (1258, 2036)]