289689323

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 390044160

約数和(自身を除く): 100354837

約数列:

[1, 7, 11, 29, 43, 49, 77, 203, 301, 319, 431, 473, 539, 1247, 1421, 2107, 2233, 3017, 3311, 4741, 8729, 12499, 13717, 15631, 18533, 21119, 23177, 33187, 61103, 87493, 96019, 129731, 137489, 203863, 232309, 537457, 612451, 672133, 908117, 962423, 1427041, 3762199, 5912027, 6736961, 9989287, 26335393, 41384189, 289689323]

約数ペア:

[(1, 289689323), (7, 41384189), (11, 26335393), (29, 9989287), (43, 6736961), (49, 5912027), (77, 3762199), (203, 1427041), (301, 962423), (319, 908117), (431, 672133), (473, 612451), (539, 537457), (1247, 232309), (1421, 203863), (2107, 137489), (2233, 129731), (3017, 96019), (3311, 87493), (4741, 61103), (8729, 33187), (12499, 23177), (13717, 21119), (15631, 18533)]