28105218

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 80

約数和(自身を含む): 69347520

約数和(自身を除く): 41242302

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 81, 114, 138, 162, 171, 207, 342, 397, 414, 437, 513, 621, 794, 874, 1026, 1191, 1242, 1311, 1539, 1863, 2382, 2622, 3078, 3573, 3726, 3933, 7146, 7543, 7866, 9131, 10719, 11799, 15086, 18262, 21438, 22629, 23598, 27393, 32157, 35397, 45258, 54786, 64314, 67887, 70794, 82179, 135774, 164358, 173489, 203661, 246537, 346978, 407322, 493074, 520467, 610983, 739611, 1040934, 1221966, 1479222, 1561401, 3122802, 4684203, 9368406, 14052609, 28105218]

約数ペア:

[(1, 28105218), (2, 14052609), (3, 9368406), (6, 4684203), (9, 3122802), (18, 1561401), (19, 1479222), (23, 1221966), (27, 1040934), (38, 739611), (46, 610983), (54, 520467), (57, 493074), (69, 407322), (81, 346978), (114, 246537), (138, 203661), (162, 173489), (171, 164358), (207, 135774), (342, 82179), (397, 70794), (414, 67887), (437, 64314), (513, 54786), (621, 45258), (794, 35397), (874, 32157), (1026, 27393), (1191, 23598), (1242, 22629), (1311, 21438), (1539, 18262), (1863, 15086), (2382, 11799), (2622, 10719), (3078, 9131), (3573, 7866), (3726, 7543), (3933, 7146)]