813255070

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{209063}}^1$

素因数の和:209459

約数の個数: 16

約数和(自身を含む): 1467629280

約数和(自身を除く): 654374210

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 209063, 418126, 1045315, 2090630, 81325507, 162651014, 406627535, 813255070]

約数ペア:

[(1, 813255070), (2, 406627535), (5, 162651014), (10, 81325507), (389, 2090630), (778, 1045315), (1945, 418126), (3890, 209063)]