6638531998

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20616559}}^1$

素因数の和:20616591

約数の個数: 16

約数和(自身を含む): 11875138560

約数和(自身を除く): 5236606562

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 20616559, 41233118, 144315913, 288631826, 474180857, 948361714, 3319265999, 6638531998]

約数ペア:

[(1, 6638531998), (2, 3319265999), (7, 948361714), (14, 474180857), (23, 288631826), (46, 144315913), (161, 41233118), (322, 20616559)]