812563390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{745471}}^1$

素因数の和:745587

約数の個数: 16

約数和(自身を含む): 1476034560

約数和(自身を除く): 663471170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 745471, 1490942, 3727355, 7454710, 81256339, 162512678, 406281695, 812563390]

約数ペア:

[(1, 812563390), (2, 406281695), (5, 162512678), (10, 81256339), (109, 7454710), (218, 3727355), (545, 1490942), (1090, 745471)]