201639137

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{4457}}^1$

素因数の和:4768

約数の個数: 16

約数和(自身を含む): 241373952

約数和(自身を除く): 39734815

約数列:

[1, 7, 23, 161, 281, 1967, 4457, 6463, 31199, 45241, 102511, 717577, 1252417, 8766919, 28805591, 201639137]

約数ペア:

[(1, 201639137), (7, 28805591), (23, 8766919), (161, 1252417), (281, 717577), (1967, 102511), (4457, 45241), (6463, 31199)]