256988904

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{283}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 651541440

約数和(自身を除く): 394552536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 241, 283, 314, 471, 482, 566, 628, 723, 849, 942, 964, 1132, 1256, 1446, 1698, 1884, 1928, 2264, 2892, 3396, 3768, 5784, 6792, 37837, 44431, 68203, 75674, 88862, 113511, 133293, 136406, 151348, 177724, 204609, 227022, 266586, 272812, 302696, 355448, 409218, 454044, 533172, 545624, 818436, 908088, 1066344, 1636872, 10707871, 21415742, 32123613, 42831484, 64247226, 85662968, 128494452, 256988904]

約数ペア:

[(1, 256988904), (2, 128494452), (3, 85662968), (4, 64247226), (6, 42831484), (8, 32123613), (12, 21415742), (24, 10707871), (157, 1636872), (241, 1066344), (283, 908088), (314, 818436), (471, 545624), (482, 533172), (566, 454044), (628, 409218), (723, 355448), (849, 302696), (942, 272812), (964, 266586), (1132, 227022), (1256, 204609), (1446, 177724), (1698, 151348), (1884, 136406), (1928, 133293), (2264, 113511), (2892, 88862), (3396, 75674), (3768, 68203), (5784, 44431), (6792, 37837)]