8428805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21893}}^1$

素因数の和:21916

約数の個数: 16

約数和(自身を含む): 12610944

約数和(自身を除く): 4182139

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 21893, 109465, 153251, 240823, 766255, 1204115, 1685761, 8428805]

約数ペア:

[(1, 8428805), (5, 1685761), (7, 1204115), (11, 766255), (35, 240823), (55, 153251), (77, 109465), (385, 21893)]