381401279

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{3637}}^1$

素因数の和:3926

約数の個数: 16

約数和(自身を含む): 444243456

約数和(自身を除く): 62842177

約数列:

[1, 7, 71, 211, 497, 1477, 3637, 14981, 25459, 104867, 258227, 767407, 1807589, 5371849, 54485897, 381401279]

約数ペア:

[(1, 381401279), (7, 54485897), (71, 5371849), (211, 1807589), (497, 767407), (1477, 258227), (3637, 104867), (14981, 25459)]