27958210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{399403}}^1$

素因数の和:399417

約数の個数: 16

約数和(自身を含む): 57514176

約数和(自身を除く): 29555966

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 399403, 798806, 1997015, 2795821, 3994030, 5591642, 13979105, 27958210]

約数ペア:

[(1, 27958210), (2, 13979105), (5, 5591642), (7, 3994030), (10, 2795821), (14, 1997015), (35, 798806), (70, 399403)]