28006874

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 50880000

約数和(自身を除く): 22873126

約数列:

[1, 2, 7, 14, 19, 38, 133, 211, 266, 422, 499, 998, 1477, 2954, 3493, 4009, 6986, 8018, 9481, 18962, 28063, 56126, 66367, 105289, 132734, 210578, 737023, 1474046, 2000491, 4000982, 14003437, 28006874]

約数ペア:

[(1, 28006874), (2, 14003437), (7, 4000982), (14, 2000491), (19, 1474046), (38, 737023), (133, 210578), (211, 132734), (266, 105289), (422, 66367), (499, 56126), (998, 28063), (1477, 18962), (2954, 9481), (3493, 8018), (4009, 6986)]