256476136

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241049}}^1$

素因数の和:241081

約数の個数: 32

約数和(自身を含む): 578520000

約数和(自身を除く): 322043864

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 241049, 482098, 964196, 1687343, 1928392, 3374686, 4579931, 6749372, 9159862, 13498744, 18319724, 32059517, 36639448, 64119034, 128238068, 256476136]

約数ペア:

[(1, 256476136), (2, 128238068), (4, 64119034), (7, 36639448), (8, 32059517), (14, 18319724), (19, 13498744), (28, 9159862), (38, 6749372), (56, 4579931), (76, 3374686), (133, 1928392), (152, 1687343), (266, 964196), (532, 482098), (1064, 241049)]