320317778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{205069}}^1$

素因数の和:205153

約数の個数: 16

約数和(自身を含む): 531541440

約数和(自身を除く): 211223662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 205069, 410138, 2255759, 4511518, 14559899, 29119798, 160158889, 320317778]

約数ペア:

[(1, 320317778), (2, 160158889), (11, 29119798), (22, 14559899), (71, 4511518), (142, 2255759), (781, 410138), (1562, 205069)]