389870936

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5521}}^1$

素因数の和:5644

約数の個数: 64

約数和(自身を含む): 909142080

約数和(自身を除く): 519271144

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 97, 104, 182, 194, 364, 388, 679, 728, 776, 1261, 1358, 2522, 2716, 5044, 5432, 5521, 8827, 10088, 11042, 17654, 22084, 35308, 38647, 44168, 70616, 71773, 77294, 143546, 154588, 287092, 309176, 502411, 535537, 574184, 1004822, 1071074, 2009644, 2142148, 3748759, 4019288, 4284296, 6961981, 7497518, 13923962, 14995036, 27847924, 29990072, 48733867, 55695848, 97467734, 194935468, 389870936]

約数ペア:

[(1, 389870936), (2, 194935468), (4, 97467734), (7, 55695848), (8, 48733867), (13, 29990072), (14, 27847924), (26, 14995036), (28, 13923962), (52, 7497518), (56, 6961981), (91, 4284296), (97, 4019288), (104, 3748759), (182, 2142148), (194, 2009644), (364, 1071074), (388, 1004822), (679, 574184), (728, 535537), (776, 502411), (1261, 309176), (1358, 287092), (2522, 154588), (2716, 143546), (5044, 77294), (5432, 71773), (5521, 70616), (8827, 44168), (10088, 38647), (11042, 35308), (17654, 22084)]