218507608

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{20521}}^1$

素因数の和:20560

約数の個数: 32

約数和(自身を含む): 450663120

約数和(自身を除く): 232155512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1331, 2662, 5324, 10648, 20521, 41042, 82084, 164168, 225731, 451462, 902924, 1805848, 2483041, 4966082, 9932164, 19864328, 27313451, 54626902, 109253804, 218507608]

約数ペア:

[(1, 218507608), (2, 109253804), (4, 54626902), (8, 27313451), (11, 19864328), (22, 9932164), (44, 4966082), (88, 2483041), (121, 1805848), (242, 902924), (484, 451462), (968, 225731), (1331, 164168), (2662, 82084), (5324, 41042), (10648, 20521)]