28540278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{121967}}^1$

素因数の和:121988

約数の個数: 24

約数和(自身を含む): 66594528

約数和(自身を除く): 38054250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 121967, 243934, 365901, 731802, 1097703, 1585571, 2195406, 3171142, 4756713, 9513426, 14270139, 28540278]

約数ペア:

[(1, 28540278), (2, 14270139), (3, 9513426), (6, 4756713), (9, 3171142), (13, 2195406), (18, 1585571), (26, 1097703), (39, 731802), (78, 365901), (117, 243934), (234, 121967)]