31915988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1584

約数の個数: 36

約数和(自身を含む): 62471808

約数和(自身を除く): 30555820

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1523, 1612, 3046, 5239, 6092, 10478, 19799, 20956, 39598, 47213, 79196, 94426, 188852, 257387, 514774, 613769, 1029548, 1227538, 2455076, 7978997, 15957994, 31915988]

約数ペア:

[(1, 31915988), (2, 15957994), (4, 7978997), (13, 2455076), (26, 1227538), (31, 1029548), (52, 613769), (62, 514774), (124, 257387), (169, 188852), (338, 94426), (403, 79196), (676, 47213), (806, 39598), (1523, 20956), (1612, 19799), (3046, 10478), (5239, 6092)]