12503890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{178627}}^1$

素因数の和:178641

約数の個数: 16

約数和(自身を含む): 25722432

約数和(自身を除く): 13218542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 178627, 357254, 893135, 1250389, 1786270, 2500778, 6251945, 12503890]

約数ペア:

[(1, 12503890), (2, 6251945), (5, 2500778), (7, 1786270), (10, 1250389), (14, 893135), (35, 357254), (70, 178627)]