27812590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213943}}^1$

素因数の和:213963

約数の個数: 16

約数和(自身を含む): 53913888

約数和(自身を除く): 26101298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 213943, 427886, 1069715, 2139430, 2781259, 5562518, 13906295, 27812590]

約数ペア:

[(1, 27812590), (2, 13906295), (5, 5562518), (10, 2781259), (13, 2139430), (26, 1069715), (65, 427886), (130, 213943)]