28788130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{411259}}^1$

素因数の和:411273

約数の個数: 16

約数和(自身を含む): 59221440

約数和(自身を除く): 30433310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 411259, 822518, 2056295, 2878813, 4112590, 5757626, 14394065, 28788130]

約数ペア:

[(1, 28788130), (2, 14394065), (5, 5757626), (7, 4112590), (10, 2878813), (14, 2056295), (35, 822518), (70, 411259)]