15571892

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4001}}^1$

素因数の和:4151

約数の個数: 24

約数和(自身を含む): 31375680

約数和(自身を除く): 15803788

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 4001, 8002, 16004, 28007, 56014, 112028, 556139, 1112278, 2224556, 3892973, 7785946, 15571892]

約数ペア:

[(1, 15571892), (2, 7785946), (4, 3892973), (7, 2224556), (14, 1112278), (28, 556139), (139, 112028), (278, 56014), (556, 28007), (973, 16004), (1946, 8002), (3892, 4001)]