256398156

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{339151}}^1$

素因数の和:339171

約数の個数: 48

約数和(自身を含む): 759700480

約数和(自身を除く): 503302324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 339151, 678302, 1017453, 1356604, 2034906, 2374057, 3052359, 4069812, 4748114, 6104718, 7122171, 9157077, 9496228, 12209436, 14244342, 18314154, 21366513, 28488684, 36628308, 42733026, 64099539, 85466052, 128199078, 256398156]

約数ペア:

[(1, 256398156), (2, 128199078), (3, 85466052), (4, 64099539), (6, 42733026), (7, 36628308), (9, 28488684), (12, 21366513), (14, 18314154), (18, 14244342), (21, 12209436), (27, 9496228), (28, 9157077), (36, 7122171), (42, 6104718), (54, 4748114), (63, 4069812), (84, 3052359), (108, 2374057), (126, 2034906), (189, 1356604), (252, 1017453), (378, 678302), (756, 339151)]