28382774

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 50433600

約数和(自身を除く): 22050826

約数列:

[1, 2, 7, 14, 37, 74, 157, 259, 314, 349, 518, 698, 1099, 2198, 2443, 4886, 5809, 11618, 12913, 25826, 40663, 54793, 81326, 90391, 109586, 180782, 383551, 767102, 2027341, 4054682, 14191387, 28382774]

約数ペア:

[(1, 28382774), (2, 14191387), (7, 4054682), (14, 2027341), (37, 767102), (74, 383551), (157, 180782), (259, 109586), (314, 90391), (349, 81326), (518, 54793), (698, 40663), (1099, 25826), (2198, 12913), (2443, 11618), (4886, 5809)]