129997478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{18587}}^1$

素因数の和:18871

約数の個数: 16

約数和(自身を含む): 210787920

約数和(自身を除く): 80790442

約数列:

[1, 2, 13, 26, 269, 538, 3497, 6994, 18587, 37174, 241631, 483262, 4999903, 9999806, 64998739, 129997478]

約数ペア:

[(1, 129997478), (2, 64998739), (13, 9999806), (26, 4999903), (269, 483262), (538, 241631), (3497, 37174), (6994, 18587)]