81320042

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{9767}}^1$

素因数の和:9973

約数の個数: 16

約数和(自身を含む): 127999872

約数和(自身を除く): 46679830

約数列:

[1, 2, 23, 46, 181, 362, 4163, 8326, 9767, 19534, 224641, 449282, 1767827, 3535654, 40660021, 81320042]

約数ペア:

[(1, 81320042), (2, 40660021), (23, 3535654), (46, 1767827), (181, 449282), (362, 224641), (4163, 19534), (8326, 9767)]