218938376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{2239}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 435456000

約数和(自身を除く): 216517624

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 719, 1438, 2239, 2876, 4478, 5752, 8956, 12223, 17912, 24446, 38063, 48892, 76126, 97784, 152252, 304504, 1609841, 3219682, 6439364, 12878728, 27367297, 54734594, 109469188, 218938376]

約数ペア:

[(1, 218938376), (2, 109469188), (4, 54734594), (8, 27367297), (17, 12878728), (34, 6439364), (68, 3219682), (136, 1609841), (719, 304504), (1438, 152252), (2239, 97784), (2876, 76126), (4478, 48892), (5752, 38063), (8956, 24446), (12223, 17912)]