639746023

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{39241}}^1$

素因数の和:39402

約数の個数: 16

約数和(自身を含む): 779817024

約数和(自身を除く): 140071001

約数列:

[1, 7, 17, 119, 137, 959, 2329, 16303, 39241, 274687, 667097, 4669679, 5376017, 37632119, 91392289, 639746023]

約数ペア:

[(1, 639746023), (7, 91392289), (17, 37632119), (119, 5376017), (137, 4669679), (959, 667097), (2329, 274687), (16303, 39241)]