1229405905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2126

約数の個数: 64

約数和(自身を含む): 1918844928

約数和(自身を除く): 689439023

約数列:

[1, 5, 7, 13, 31, 35, 43, 65, 91, 155, 215, 217, 301, 403, 455, 559, 1085, 1333, 1505, 2015, 2027, 2795, 2821, 3913, 6665, 9331, 10135, 14105, 14189, 17329, 19565, 26351, 46655, 62837, 70945, 86645, 87161, 121303, 131755, 184457, 314185, 435805, 439859, 606515, 610127, 816881, 922285, 1133093, 2199295, 2701991, 3050635, 4084405, 5665465, 5718167, 7931651, 13509955, 18913937, 28590835, 35125883, 39658255, 94569685, 175629415, 245881181, 1229405905]

約数ペア:

[(1, 1229405905), (5, 245881181), (7, 175629415), (13, 94569685), (31, 39658255), (35, 35125883), (43, 28590835), (65, 18913937), (91, 13509955), (155, 7931651), (215, 5718167), (217, 5665465), (301, 4084405), (403, 3050635), (455, 2701991), (559, 2199295), (1085, 1133093), (1333, 922285), (1505, 816881), (2015, 610127), (2027, 606515), (2795, 439859), (2821, 435805), (3913, 314185), (6665, 184457), (9331, 131755), (10135, 121303), (14105, 87161), (14189, 86645), (17329, 70945), (19565, 62837), (26351, 46655)]