131139905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{87719}}^1$

素因数の和:87760

約数の個数: 16

約数和(自身を含む): 176843520

約数和(自身を除く): 45703615

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 87719, 438595, 1140347, 2017537, 5701735, 10087685, 26227981, 131139905]

約数ペア:

[(1, 131139905), (5, 26227981), (13, 10087685), (23, 5701735), (65, 2017537), (115, 1140347), (299, 438595), (1495, 87719)]