1405136

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1718

約数の個数: 20

約数和(自身を含む): 2775492

約数和(自身を除く): 1370356

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1657, 3314, 6628, 13256, 26512, 87821, 175642, 351284, 702568, 1405136]

約数ペア:

[(1, 1405136), (2, 702568), (4, 351284), (8, 175642), (16, 87821), (53, 26512), (106, 13256), (212, 6628), (424, 3314), (848, 1657)]