31878724

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 56736288

約数和(自身を除く): 24857564

約数列:

[1, 2, 4, 107, 211, 214, 353, 422, 428, 706, 844, 1412, 22577, 37771, 45154, 74483, 75542, 90308, 148966, 151084, 297932, 7969681, 15939362, 31878724]

約数ペア:

[(1, 31878724), (2, 15939362), (4, 7969681), (107, 297932), (211, 151084), (214, 148966), (353, 90308), (422, 75542), (428, 74483), (706, 45154), (844, 37771), (1412, 22577)]