128745456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{383171}}^1$

素因数の和:383189

約数の個数: 40

約数和(自身を含む): 380106624

約数和(自身を除く): 251361168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 383171, 766342, 1149513, 1532684, 2299026, 2682197, 3065368, 4598052, 5364394, 6130736, 8046591, 9196104, 10728788, 16093182, 18392208, 21457576, 32186364, 42915152, 64372728, 128745456]

約数ペア:

[(1, 128745456), (2, 64372728), (3, 42915152), (4, 32186364), (6, 21457576), (7, 18392208), (8, 16093182), (12, 10728788), (14, 9196104), (16, 8046591), (21, 6130736), (24, 5364394), (28, 4598052), (42, 3065368), (48, 2682197), (56, 2299026), (84, 1532684), (112, 1149513), (168, 766342), (336, 383171)]