28389972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{13999}}^1$

素因数の和:14032

約数の個数: 36

約数和(自身を含む): 71736000

約数和(自身を除く): 43346028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 13999, 27998, 41997, 55996, 83994, 167988, 181987, 363974, 545961, 727948, 1091922, 2183844, 2365831, 4731662, 7097493, 9463324, 14194986, 28389972]

約数ペア:

[(1, 28389972), (2, 14194986), (3, 9463324), (4, 7097493), (6, 4731662), (12, 2365831), (13, 2183844), (26, 1091922), (39, 727948), (52, 545961), (78, 363974), (156, 181987), (169, 167988), (338, 83994), (507, 55996), (676, 41997), (1014, 27998), (2028, 13999)]