128521782

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 295833600

約数和(自身を除く): 167311818

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 79, 94, 141, 158, 237, 282, 423, 474, 641, 711, 846, 1269, 1282, 1422, 1923, 2133, 2538, 3713, 3846, 4266, 5769, 7426, 11139, 11538, 17307, 22278, 30127, 33417, 34614, 50639, 60254, 66834, 90381, 100251, 101278, 151917, 180762, 200502, 271143, 303834, 455751, 542286, 813429, 911502, 1367253, 1626858, 2380033, 2734506, 4760066, 7140099, 14280198, 21420297, 42840594, 64260891, 128521782]

約数ペア:

[(1, 128521782), (2, 64260891), (3, 42840594), (6, 21420297), (9, 14280198), (18, 7140099), (27, 4760066), (47, 2734506), (54, 2380033), (79, 1626858), (94, 1367253), (141, 911502), (158, 813429), (237, 542286), (282, 455751), (423, 303834), (474, 271143), (641, 200502), (711, 180762), (846, 151917), (1269, 101278), (1282, 100251), (1422, 90381), (1923, 66834), (2133, 60254), (2538, 50639), (3713, 34614), (3846, 33417), (4266, 30127), (5769, 22278), (7426, 17307), (11139, 11538)]