128943864

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{255841}}^1$

素因数の和:255860

約数の個数: 48

約数和(自身を含む): 399113520

約数和(自身を除く): 270169656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 255841, 511682, 767523, 1023364, 1535046, 1790887, 2046728, 2302569, 3070092, 3581774, 4605138, 5372661, 6140184, 7163548, 9210276, 10745322, 14327096, 16117983, 18420552, 21490644, 32235966, 42981288, 64471932, 128943864]

約数ペア:

[(1, 128943864), (2, 64471932), (3, 42981288), (4, 32235966), (6, 21490644), (7, 18420552), (8, 16117983), (9, 14327096), (12, 10745322), (14, 9210276), (18, 7163548), (21, 6140184), (24, 5372661), (28, 4605138), (36, 3581774), (42, 3070092), (56, 2302569), (63, 2046728), (72, 1790887), (84, 1535046), (126, 1023364), (168, 767523), (252, 511682), (504, 255841)]