28728070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{410401}}^1$

素因数の和:410415

約数の個数: 16

約数和(自身を含む): 59097888

約数和(自身を除く): 30369818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 410401, 820802, 2052005, 2872807, 4104010, 5745614, 14364035, 28728070]

約数ペア:

[(1, 28728070), (2, 14364035), (5, 5745614), (7, 4104010), (10, 2872807), (14, 2052005), (35, 820802), (70, 410401)]