291222668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1987}}^1\times {\mathrm{3331}}^1$

素因数の和:5333

約数の個数: 24

約数和(自身を含む): 556417344

約数和(自身を除く): 265194676

約数列:

[1, 2, 4, 11, 22, 44, 1987, 3331, 3974, 6662, 7948, 13324, 21857, 36641, 43714, 73282, 87428, 146564, 6618697, 13237394, 26474788, 72805667, 145611334, 291222668]

約数ペア:

[(1, 291222668), (2, 145611334), (4, 72805667), (11, 26474788), (22, 13237394), (44, 6618697), (1987, 146564), (3331, 87428), (3974, 73282), (6662, 43714), (7948, 36641), (13324, 21857)]