890999543

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1\times {\mathrm{1607}}^1$

素因数の和:2486

約数の個数: 16

約数和(自身を含む): 1030149120

約数和(自身を除く): 139149577

約数列:

[1, 7, 103, 721, 769, 1607, 5383, 11249, 79207, 165521, 554449, 1158647, 1235783, 8650481, 127285649, 890999543]

約数ペア:

[(1, 890999543), (7, 127285649), (103, 8650481), (721, 1235783), (769, 1158647), (1607, 554449), (5383, 165521), (11249, 79207)]