388805984

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{10781}}^1$

素因数の和:10828

約数の個数: 72

約数和(自身を含む): 929235888

約数和(自身を除く): 540429904

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 644, 736, 784, 1127, 1288, 1568, 2254, 2576, 4508, 5152, 9016, 10781, 18032, 21562, 36064, 43124, 75467, 86248, 150934, 172496, 247963, 301868, 344992, 495926, 528269, 603736, 991852, 1056538, 1207472, 1735741, 1983704, 2113076, 2414944, 3471482, 3967408, 4226152, 6942964, 7934816, 8452304, 12150187, 13885928, 16904608, 24300374, 27771856, 48600748, 55543712, 97201496, 194402992, 388805984]

約数ペア:

[(1, 388805984), (2, 194402992), (4, 97201496), (7, 55543712), (8, 48600748), (14, 27771856), (16, 24300374), (23, 16904608), (28, 13885928), (32, 12150187), (46, 8452304), (49, 7934816), (56, 6942964), (92, 4226152), (98, 3967408), (112, 3471482), (161, 2414944), (184, 2113076), (196, 1983704), (224, 1735741), (322, 1207472), (368, 1056538), (392, 991852), (644, 603736), (736, 528269), (784, 495926), (1127, 344992), (1288, 301868), (1568, 247963), (2254, 172496), (2576, 150934), (4508, 86248), (5152, 75467), (9016, 43124), (10781, 36064), (18032, 21562)]