31322590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{240943}}^1$

素因数の和:240963

約数の個数: 16

約数和(自身を含む): 60717888

約数和(自身を除く): 29395298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 240943, 481886, 1204715, 2409430, 3132259, 6264518, 15661295, 31322590]

約数ペア:

[(1, 31322590), (2, 15661295), (5, 6264518), (10, 3132259), (13, 2409430), (26, 1204715), (65, 481886), (130, 240943)]