28260732

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 72722160

約数和(自身を除く): 44461428

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 174, 204, 281, 289, 348, 493, 562, 578, 843, 867, 986, 1124, 1156, 1479, 1686, 1734, 1972, 2958, 3372, 3468, 4777, 5916, 8149, 8381, 9554, 14331, 16298, 16762, 19108, 24447, 25143, 28662, 32596, 33524, 48894, 50286, 57324, 81209, 97788, 100572, 138533, 162418, 243627, 277066, 324836, 415599, 487254, 554132, 831198, 974508, 1662396, 2355061, 4710122, 7065183, 9420244, 14130366, 28260732]

約数ペア:

[(1, 28260732), (2, 14130366), (3, 9420244), (4, 7065183), (6, 4710122), (12, 2355061), (17, 1662396), (29, 974508), (34, 831198), (51, 554132), (58, 487254), (68, 415599), (87, 324836), (102, 277066), (116, 243627), (174, 162418), (204, 138533), (281, 100572), (289, 97788), (348, 81209), (493, 57324), (562, 50286), (578, 48894), (843, 33524), (867, 32596), (986, 28662), (1124, 25143), (1156, 24447), (1479, 19108), (1686, 16762), (1734, 16298), (1972, 14331), (2958, 9554), (3372, 8381), (3468, 8149), (4777, 5916)]