638528

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:930

約数の個数: 28

約数和(自身を含む): 1383792

約数和(自身を除く): 745264

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704, 907, 1814, 3628, 7256, 9977, 14512, 19954, 29024, 39908, 58048, 79816, 159632, 319264, 638528]

約数ペア:

[(1, 638528), (2, 319264), (4, 159632), (8, 79816), (11, 58048), (16, 39908), (22, 29024), (32, 19954), (44, 14512), (64, 9977), (88, 7256), (176, 3628), (352, 1814), (704, 907)]