81558646

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{7451}}^1$

素因数の和:7887

約数の個数: 16

約数和(自身を含む): 132079248

約数和(自身を除く): 50520602

約数列:

[1, 2, 13, 26, 421, 842, 5473, 7451, 10946, 14902, 96863, 193726, 3136871, 6273742, 40779323, 81558646]

約数ペア:

[(1, 81558646), (2, 40779323), (13, 6273742), (26, 3136871), (421, 193726), (842, 96863), (5473, 14902), (7451, 10946)]