28251384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{499}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 81120000

約数和(自身を除く): 52868616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 337, 499, 674, 998, 1011, 1348, 1497, 1996, 2022, 2359, 2696, 2994, 3493, 3992, 4044, 4718, 5988, 6986, 7077, 8088, 9436, 10479, 11976, 13972, 14154, 18872, 20958, 27944, 28308, 41916, 56616, 83832, 168163, 336326, 504489, 672652, 1008978, 1177141, 1345304, 2017956, 2354282, 3531423, 4035912, 4708564, 7062846, 9417128, 14125692, 28251384]

約数ペア:

[(1, 28251384), (2, 14125692), (3, 9417128), (4, 7062846), (6, 4708564), (7, 4035912), (8, 3531423), (12, 2354282), (14, 2017956), (21, 1345304), (24, 1177141), (28, 1008978), (42, 672652), (56, 504489), (84, 336326), (168, 168163), (337, 83832), (499, 56616), (674, 41916), (998, 28308), (1011, 27944), (1348, 20958), (1497, 18872), (1996, 14154), (2022, 13972), (2359, 11976), (2696, 10479), (2994, 9436), (3493, 8088), (3992, 7077), (4044, 6986), (4718, 5988)]