90681388

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{36389}}^1$

素因数の和:36489

約数の個数: 24

約数和(自身を含む): 183405600

約数和(自身を除く): 92724212

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 36389, 72778, 145556, 254723, 509446, 1018892, 3238621, 6477242, 12954484, 22670347, 45340694, 90681388]

約数ペア:

[(1, 90681388), (2, 45340694), (4, 22670347), (7, 12954484), (14, 6477242), (28, 3238621), (89, 1018892), (178, 509446), (356, 254723), (623, 145556), (1246, 72778), (2492, 36389)]