27798890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397127}}^1$

素因数の和:397141

約数の個数: 16

約数和(自身を含む): 57186432

約数和(自身を除く): 29387542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397127, 794254, 1985635, 2779889, 3971270, 5559778, 13899445, 27798890]

約数ペア:

[(1, 27798890), (2, 13899445), (5, 5559778), (7, 3971270), (10, 2779889), (14, 1985635), (35, 794254), (70, 397127)]