217151660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{987053}}^1$

素因数の和:987073

約数の個数: 24

約数和(自身を含む): 497475216

約数和(自身を除く): 280323556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 987053, 1974106, 3948212, 4935265, 9870530, 10857583, 19741060, 21715166, 43430332, 54287915, 108575830, 217151660]

約数ペア:

[(1, 217151660), (2, 108575830), (4, 54287915), (5, 43430332), (10, 21715166), (11, 19741060), (20, 10857583), (22, 9870530), (44, 4935265), (55, 3948212), (110, 1974106), (220, 987053)]