27903890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{398627}}^1$

素因数の和:398641

約数の個数: 16

約数和(自身を含む): 57402432

約数和(自身を除く): 29498542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 398627, 797254, 1993135, 2790389, 3986270, 5580778, 13951945, 27903890]

約数ペア:

[(1, 27903890), (2, 13951945), (5, 5580778), (7, 3986270), (10, 2790389), (14, 1993135), (35, 797254), (70, 398627)]