172912690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{243539}}^1$

素因数の和:243617

約数の個数: 16

約数和(自身を含む): 315627840

約数和(自身を除く): 142715150

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 243539, 487078, 1217695, 2435390, 17291269, 34582538, 86456345, 172912690]

約数ペア:

[(1, 172912690), (2, 86456345), (5, 34582538), (10, 17291269), (71, 2435390), (142, 1217695), (355, 487078), (710, 243539)]