820021722

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{2153}}^1$

素因数の和:2447

約数の個数: 64

約数和(自身を含む): 1867259520

約数和(自身を除く): 1047237798

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 257, 494, 514, 741, 771, 1482, 1542, 2153, 3341, 4306, 4883, 6459, 6682, 9766, 10023, 12918, 14649, 20046, 27989, 29298, 40907, 55978, 63479, 81814, 83967, 122721, 126958, 167934, 190437, 245442, 380874, 531791, 553321, 1063582, 1106642, 1595373, 1659963, 3190746, 3319926, 7193173, 10513099, 14386346, 21026198, 21579519, 31539297, 43159038, 63078594, 136670287, 273340574, 410010861, 820021722]

約数ペア:

[(1, 820021722), (2, 410010861), (3, 273340574), (6, 136670287), (13, 63078594), (19, 43159038), (26, 31539297), (38, 21579519), (39, 21026198), (57, 14386346), (78, 10513099), (114, 7193173), (247, 3319926), (257, 3190746), (494, 1659963), (514, 1595373), (741, 1106642), (771, 1063582), (1482, 553321), (1542, 531791), (2153, 380874), (3341, 245442), (4306, 190437), (4883, 167934), (6459, 126958), (6682, 122721), (9766, 83967), (10023, 81814), (12918, 63479), (14649, 55978), (20046, 40907), (27989, 29298)]