28402178

素因数分解:

$2^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{1987}}^1$

素因数の和:3017

約数の個数: 16

約数和(自身を含む): 48761664

約数和(自身を除く): 20359486

約数列:

[1, 2, 7, 14, 1021, 1987, 2042, 3974, 7147, 13909, 14294, 27818, 2028727, 4057454, 14201089, 28402178]

約数ペア:

[(1, 28402178), (2, 14201089), (7, 4057454), (14, 2028727), (1021, 27818), (1987, 14294), (2042, 13909), (3974, 7147)]