51342590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{394943}}^1$

素因数の和:394963

約数の個数: 16

約数和(自身を含む): 99525888

約数和(自身を除く): 48183298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 394943, 789886, 1974715, 3949430, 5134259, 10268518, 25671295, 51342590]

約数ペア:

[(1, 51342590), (2, 25671295), (5, 10268518), (10, 5134259), (13, 3949430), (26, 1974715), (65, 789886), (130, 394943)]