217008976

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{20963}}^1$

素因数の和:21618

約数の個数: 20

約数和(自身を含む): 421124832

約数和(自身を除く): 204115856

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 20963, 41926, 83852, 167704, 335408, 13563061, 27126122, 54252244, 108504488, 217008976]

約数ペア:

[(1, 217008976), (2, 108504488), (4, 54252244), (8, 27126122), (16, 13563061), (647, 335408), (1294, 167704), (2588, 83852), (5176, 41926), (10352, 20963)]