256728976

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18049}}^1$

素因数の和:18191

約数の個数: 40

約数和(自身を含む): 572979200

約数和(自身を除く): 316250224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 18049, 36098, 72196, 126343, 144392, 252686, 288784, 505372, 1010744, 2021488, 2292223, 4584446, 9168892, 16045561, 18337784, 32091122, 36675568, 64182244, 128364488, 256728976]

約数ペア:

[(1, 256728976), (2, 128364488), (4, 64182244), (7, 36675568), (8, 32091122), (14, 18337784), (16, 16045561), (28, 9168892), (56, 4584446), (112, 2292223), (127, 2021488), (254, 1010744), (508, 505372), (889, 288784), (1016, 252686), (1778, 144392), (2032, 126343), (3556, 72196), (7112, 36098), (14224, 18049)]