1288894355

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4957}}^1$

素因数の和:5028

約数の個数: 64

約数和(自身を含む): 2056181760

約数和(自身を除く): 767287405

約数列:

[1, 5, 7, 17, 19, 23, 35, 85, 95, 115, 119, 133, 161, 323, 391, 437, 595, 665, 805, 1615, 1955, 2185, 2261, 2737, 3059, 4957, 7429, 11305, 13685, 15295, 24785, 34699, 37145, 52003, 84269, 94183, 114011, 173495, 260015, 421345, 470915, 570055, 589883, 659281, 798077, 1601111, 1938187, 2166209, 2949415, 3296405, 3990385, 8005555, 9690935, 10831045, 11207777, 13567309, 15163463, 36825553, 56038885, 67836545, 75817315, 184127765, 257778871, 1288894355]

約数ペア:

[(1, 1288894355), (5, 257778871), (7, 184127765), (17, 75817315), (19, 67836545), (23, 56038885), (35, 36825553), (85, 15163463), (95, 13567309), (115, 11207777), (119, 10831045), (133, 9690935), (161, 8005555), (323, 3990385), (391, 3296405), (437, 2949415), (595, 2166209), (665, 1938187), (805, 1601111), (1615, 798077), (1955, 659281), (2185, 589883), (2261, 570055), (2737, 470915), (3059, 421345), (4957, 260015), (7429, 173495), (11305, 114011), (13685, 94183), (15295, 84269), (24785, 52003), (34699, 37145)]