208908535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{122527}}^1$

素因数の和:122574

約数の個数: 16

約数和(自身を含む): 282304512

約数和(自身を除く): 73395977

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 122527, 612635, 1347797, 3798337, 6738985, 18991685, 41781707, 208908535]

約数ペア:

[(1, 208908535), (5, 41781707), (11, 18991685), (31, 6738985), (55, 3798337), (155, 1347797), (341, 612635), (1705, 122527)]