81101590

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{12613}}^1$

素因数の和:13263

約数の個数: 16

約数和(自身を含む): 146221488

約数和(自身を除く): 65119898

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 12613, 25226, 63065, 126130, 8110159, 16220318, 40550795, 81101590]

約数ペア:

[(1, 81101590), (2, 40550795), (5, 16220318), (10, 8110159), (643, 126130), (1286, 63065), (3215, 25226), (6430, 12613)]