1390276

素因数分解:

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

素因数の和:243

約数の個数: 24

約数和(自身を含む): 2550240

約数和(自身を除く): 1159964

約数列:

[1, 2, 4, 43, 59, 86, 118, 137, 172, 236, 274, 548, 2537, 5074, 5891, 8083, 10148, 11782, 16166, 23564, 32332, 347569, 695138, 1390276]

約数ペア:

[(1, 1390276), (2, 695138), (4, 347569), (43, 32332), (59, 23564), (86, 16166), (118, 11782), (137, 10148), (172, 8083), (236, 5891), (274, 5074), (548, 2537)]