689530985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2466

約数の個数: 48

約数和(自身を含む): 1009387008

約数和(自身を除く): 319856023

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 169, 341, 403, 715, 845, 1705, 1859, 2015, 2393, 4433, 5239, 9295, 11965, 22165, 26195, 26323, 31109, 57629, 74183, 131615, 155545, 288145, 342199, 370915, 404417, 816013, 964379, 1710995, 2022085, 4080065, 4448587, 4821895, 10608169, 12536927, 22242935, 53040845, 62684635, 137906197, 689530985]

約数ペア:

[(1, 689530985), (5, 137906197), (11, 62684635), (13, 53040845), (31, 22242935), (55, 12536927), (65, 10608169), (143, 4821895), (155, 4448587), (169, 4080065), (341, 2022085), (403, 1710995), (715, 964379), (845, 816013), (1705, 404417), (1859, 370915), (2015, 342199), (2393, 288145), (4433, 155545), (5239, 131615), (9295, 74183), (11965, 57629), (22165, 31109), (26195, 26323)]