89469718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{19891}}^1$

素因数の和:20079

約数の個数: 16

約数和(自身を含む): 145370736

約数和(自身を除く): 55901018

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4498, 19891, 39782, 258583, 517166, 3441143, 6882286, 44734859, 89469718]

約数ペア:

[(1, 89469718), (2, 44734859), (13, 6882286), (26, 3441143), (173, 517166), (346, 258583), (2249, 39782), (4498, 19891)]