89978512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{432589}}^1$

素因数の和:432610

約数の個数: 20

約数和(自身を含む): 187744060

約数和(自身を除く): 97765548

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 432589, 865178, 1730356, 3460712, 5623657, 6921424, 11247314, 22494628, 44989256, 89978512]

約数ペア:

[(1, 89978512), (2, 44989256), (4, 22494628), (8, 11247314), (13, 6921424), (16, 5623657), (26, 3460712), (52, 1730356), (104, 865178), (208, 432589)]