128208782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{25031}}^1$

素因数の和:25243

約数の個数: 16

約数和(自身を含む): 208166112

約数和(自身を除く): 79957330

約数列:

[1, 2, 13, 26, 197, 394, 2561, 5122, 25031, 50062, 325403, 650806, 4931107, 9862214, 64104391, 128208782]

約数ペア:

[(1, 128208782), (2, 64104391), (13, 9862214), (26, 4931107), (197, 650806), (394, 325403), (2561, 50062), (5122, 25031)]