289465984

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 592685280

約数和(自身を除く): 303219296

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 131, 244, 262, 283, 488, 524, 566, 976, 1048, 1132, 1952, 2096, 2264, 3904, 4192, 4528, 7808, 7991, 8384, 9056, 15982, 16768, 17263, 18112, 31964, 34526, 36224, 37073, 63928, 69052, 74146, 127856, 138104, 148292, 255712, 276208, 296584, 511424, 552416, 593168, 1022848, 1104832, 1186336, 2209664, 2261453, 2372672, 4522906, 4745344, 9045812, 18091624, 36183248, 72366496, 144732992, 289465984]

約数ペア:

[(1, 289465984), (2, 144732992), (4, 72366496), (8, 36183248), (16, 18091624), (32, 9045812), (61, 4745344), (64, 4522906), (122, 2372672), (128, 2261453), (131, 2209664), (244, 1186336), (262, 1104832), (283, 1022848), (488, 593168), (524, 552416), (566, 511424), (976, 296584), (1048, 276208), (1132, 255712), (1952, 148292), (2096, 138104), (2264, 127856), (3904, 74146), (4192, 69052), (4528, 63928), (7808, 37073), (7991, 36224), (8384, 34526), (9056, 31964), (15982, 18112), (16768, 17263)]