38658711

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 69350400

約数和(自身を除く): 30691689

約数列:

[1, 3, 7, 13, 19, 21, 29, 39, 57, 87, 91, 133, 203, 247, 257, 273, 377, 399, 551, 609, 741, 771, 1131, 1653, 1729, 1799, 2639, 3341, 3857, 4883, 5187, 5397, 7163, 7453, 7917, 10023, 11571, 14649, 21489, 22359, 23387, 34181, 50141, 52171, 63479, 70161, 96889, 102543, 141607, 150423, 156513, 190437, 290667, 424821, 444353, 678223, 991249, 1333059, 1840891, 2034669, 2973747, 5522673, 12886237, 38658711]

約数ペア:

[(1, 38658711), (3, 12886237), (7, 5522673), (13, 2973747), (19, 2034669), (21, 1840891), (29, 1333059), (39, 991249), (57, 678223), (87, 444353), (91, 424821), (133, 290667), (203, 190437), (247, 156513), (257, 150423), (273, 141607), (377, 102543), (399, 96889), (551, 70161), (609, 63479), (741, 52171), (771, 50141), (1131, 34181), (1653, 23387), (1729, 22359), (1799, 21489), (2639, 14649), (3341, 11571), (3857, 10023), (4883, 7917), (5187, 7453), (5397, 7163)]