278734144

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 112

約数和(自身を含む): 626766336

約数和(自身を除く): 348032192

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 101, 104, 107, 124, 202, 208, 214, 248, 403, 404, 416, 428, 496, 806, 808, 832, 856, 992, 1313, 1391, 1612, 1616, 1712, 1984, 2626, 2782, 3131, 3224, 3232, 3317, 3424, 5252, 5564, 6262, 6448, 6464, 6634, 6848, 10504, 10807, 11128, 12524, 12896, 13268, 21008, 21614, 22256, 25048, 25792, 26536, 40703, 42016, 43121, 43228, 44512, 50096, 53072, 81406, 84032, 86242, 86456, 89024, 100192, 106144, 140491, 162812, 172484, 172912, 200384, 212288, 280982, 325624, 335017, 344968, 345824, 561964, 651248, 670034, 689936, 691648, 1123928, 1302496, 1340068, 1379872, 2247856, 2604992, 2680136, 2759744, 4355221, 4495712, 5360272, 8710442, 8991424, 10720544, 17420884, 21441088, 34841768, 69683536, 139367072, 278734144]

約数ペア:

[(1, 278734144), (2, 139367072), (4, 69683536), (8, 34841768), (13, 21441088), (16, 17420884), (26, 10720544), (31, 8991424), (32, 8710442), (52, 5360272), (62, 4495712), (64, 4355221), (101, 2759744), (104, 2680136), (107, 2604992), (124, 2247856), (202, 1379872), (208, 1340068), (214, 1302496), (248, 1123928), (403, 691648), (404, 689936), (416, 670034), (428, 651248), (496, 561964), (806, 345824), (808, 344968), (832, 335017), (856, 325624), (992, 280982), (1313, 212288), (1391, 200384), (1612, 172912), (1616, 172484), (1712, 162812), (1984, 140491), (2626, 106144), (2782, 100192), (3131, 89024), (3224, 86456), (3232, 86242), (3317, 84032), (3424, 81406), (5252, 53072), (5564, 50096), (6262, 44512), (6448, 43228), (6464, 43121), (6634, 42016), (6848, 40703), (10504, 26536), (10807, 25792), (11128, 25048), (12524, 22256), (12896, 21614), (13268, 21008)]