128429492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{21221}}^1$

素因数の和:21331

約数の個数: 24

約数和(自身を含む): 240657480

約数和(自身を除く): 112227988

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 21221, 42442, 84884, 360757, 721514, 1443028, 1888669, 3777338, 7554676, 32107373, 64214746, 128429492]

約数ペア:

[(1, 128429492), (2, 64214746), (4, 32107373), (17, 7554676), (34, 3777338), (68, 1888669), (89, 1443028), (178, 721514), (356, 360757), (1513, 84884), (3026, 42442), (6052, 21221)]