81889276

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{43651}}^1$

素因数の和:43729

約数の個数: 24

約数和(自身を含む): 166226816

約数和(自身を除く): 84337540

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 43651, 87302, 174604, 305557, 611114, 1222228, 2924617, 5849234, 11698468, 20472319, 40944638, 81889276]

約数ペア:

[(1, 81889276), (2, 40944638), (4, 20472319), (7, 11698468), (14, 5849234), (28, 2924617), (67, 1222228), (134, 611114), (268, 305557), (469, 174604), (938, 87302), (1876, 43651)]