641590208

素因数分解:

$2^6\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4057}}^1$

素因数の和:4429

約数の個数: 56

約数和(自身を含む): 1459516512

約数和(自身を除く): 817926304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 353, 448, 706, 1412, 2471, 2824, 4057, 4942, 5648, 8114, 9884, 11296, 16228, 19768, 22592, 28399, 32456, 39536, 56798, 64912, 79072, 113596, 129824, 158144, 227192, 259648, 454384, 908768, 1432121, 1817536, 2864242, 5728484, 10024847, 11456968, 20049694, 22913936, 40099388, 45827872, 80198776, 91655744, 160397552, 320795104, 641590208]

約数ペア:

[(1, 641590208), (2, 320795104), (4, 160397552), (7, 91655744), (8, 80198776), (14, 45827872), (16, 40099388), (28, 22913936), (32, 20049694), (56, 11456968), (64, 10024847), (112, 5728484), (224, 2864242), (353, 1817536), (448, 1432121), (706, 908768), (1412, 454384), (2471, 259648), (2824, 227192), (4057, 158144), (4942, 129824), (5648, 113596), (8114, 79072), (9884, 64912), (11296, 56798), (16228, 39536), (19768, 32456), (22592, 28399)]