28420218

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 63903840

約数和(自身を除く): 35483622

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 139, 222, 278, 307, 333, 417, 614, 666, 834, 921, 1251, 1842, 2502, 2763, 5143, 5526, 10286, 11359, 15429, 22718, 30858, 34077, 42673, 46287, 68154, 85346, 92574, 102231, 128019, 204462, 256038, 384057, 768114, 1578901, 3157802, 4736703, 9473406, 14210109, 28420218]

約数ペア:

[(1, 28420218), (2, 14210109), (3, 9473406), (6, 4736703), (9, 3157802), (18, 1578901), (37, 768114), (74, 384057), (111, 256038), (139, 204462), (222, 128019), (278, 102231), (307, 92574), (333, 85346), (417, 68154), (614, 46287), (666, 42673), (834, 34077), (921, 30858), (1251, 22718), (1842, 15429), (2502, 11359), (2763, 10286), (5143, 5526)]