2780552

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 5464800

約数和(自身を除く): 2684248

約数列:

[1, 2, 4, 8, 43, 59, 86, 118, 137, 172, 236, 274, 344, 472, 548, 1096, 2537, 5074, 5891, 8083, 10148, 11782, 16166, 20296, 23564, 32332, 47128, 64664, 347569, 695138, 1390276, 2780552]

約数ペア:

[(1, 2780552), (2, 1390276), (4, 695138), (8, 347569), (43, 64664), (59, 47128), (86, 32332), (118, 23564), (137, 20296), (172, 16166), (236, 11782), (274, 10148), (344, 8083), (472, 5891), (548, 5074), (1096, 2537)]