28557011105

素因数分解:

$5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1131643}}^1$

素因数の和:1131765

約数の個数: 24

約数和(自身を含む): 40250313792

約数和(自身を除く): 11693302687

約数列:

[1, 5, 7, 35, 49, 103, 245, 515, 721, 3605, 5047, 25235, 1131643, 5658215, 7921501, 39607505, 55450507, 116559229, 277252535, 582796145, 815914603, 4079573015, 5711402221, 28557011105]

約数ペア:

[(1, 28557011105), (5, 5711402221), (7, 4079573015), (35, 815914603), (49, 582796145), (103, 277252535), (245, 116559229), (515, 55450507), (721, 39607505), (3605, 7921501), (5047, 5658215), (25235, 1131643)]