66387139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19717}}^1$

素因数の和:19774

約数の個数: 16

約数和(自身を含む): 83919808

約数和(自身を除く): 17532669

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 19717, 138019, 256321, 729529, 1794247, 5106703, 9483877, 66387139]

約数ペア:

[(1, 66387139), (7, 9483877), (13, 5106703), (37, 1794247), (91, 729529), (259, 256321), (481, 138019), (3367, 19717)]