343990528

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 790946240

約数和(自身を除く): 446955712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 556, 896, 973, 1112, 1381, 1792, 1946, 2224, 2762, 3892, 4448, 5524, 7784, 8896, 9667, 11048, 15568, 17792, 19334, 22096, 31136, 35584, 38668, 44192, 62272, 77336, 88384, 124544, 154672, 176768, 191959, 249088, 309344, 353536, 383918, 618688, 767836, 1237376, 1343713, 1535672, 2474752, 2687426, 3071344, 5374852, 6142688, 10749704, 12285376, 21499408, 24570752, 42998816, 49141504, 85997632, 171995264, 343990528]

約数ペア:

[(1, 343990528), (2, 171995264), (4, 85997632), (7, 49141504), (8, 42998816), (14, 24570752), (16, 21499408), (28, 12285376), (32, 10749704), (56, 6142688), (64, 5374852), (112, 3071344), (128, 2687426), (139, 2474752), (224, 1535672), (256, 1343713), (278, 1237376), (448, 767836), (556, 618688), (896, 383918), (973, 353536), (1112, 309344), (1381, 249088), (1792, 191959), (1946, 176768), (2224, 154672), (2762, 124544), (3892, 88384), (4448, 77336), (5524, 62272), (7784, 44192), (8896, 38668), (9667, 35584), (11048, 31136), (15568, 22096), (17792, 19334)]