89865724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{12433}}^1$

素因数の和:12589

約数の個数: 24

約数和(自身を含む): 170594480

約数和(自身を除く): 80728756

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 12433, 24866, 49732, 161629, 323258, 646516, 1728187, 3456374, 6912748, 22466431, 44932862, 89865724]

約数ペア:

[(1, 89865724), (2, 44932862), (4, 22466431), (13, 6912748), (26, 3456374), (52, 1728187), (139, 646516), (278, 323258), (556, 161629), (1807, 49732), (3614, 24866), (7228, 12433)]