639107776

素因数分解:

$2^6\times {\mathrm{503}}^1\times {\mathrm{19853}}^1$

素因数の和:20368

約数の個数: 28

約数和(自身を含む): 1270814832

約数和(自身を除く): 631707056

約数列:

[1, 2, 4, 8, 16, 32, 64, 503, 1006, 2012, 4024, 8048, 16096, 19853, 32192, 39706, 79412, 158824, 317648, 635296, 1270592, 9986059, 19972118, 39944236, 79888472, 159776944, 319553888, 639107776]

約数ペア:

[(1, 639107776), (2, 319553888), (4, 159776944), (8, 79888472), (16, 39944236), (32, 19972118), (64, 9986059), (503, 1270592), (1006, 635296), (2012, 317648), (4024, 158824), (8048, 79412), (16096, 39706), (19853, 32192)]