128721567344

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{190403}}^1$

素因数の和:190518

約数の個数: 80

約数和(自身を含む): 271988305920

約数和(自身を除く): 143266738576

約数列:

[1, 2, 4, 8, 16, 29, 31, 47, 58, 62, 94, 116, 124, 188, 232, 248, 376, 464, 496, 752, 899, 1363, 1457, 1798, 2726, 2914, 3596, 5452, 5828, 7192, 10904, 11656, 14384, 21808, 23312, 42253, 84506, 169012, 190403, 338024, 380806, 676048, 761612, 1523224, 3046448, 5521687, 5902493, 8948941, 11043374, 11804986, 17897882, 22086748, 23609972, 35795764, 44173496, 47219944, 71591528, 88346992, 94439888, 143183056, 171172297, 259519289, 277417171, 342344594, 519038578, 554834342, 684689188, 1038077156, 1109668684, 1369378376, 2076154312, 2219337368, 2738756752, 4152308624, 4438674736, 8045097959, 16090195918, 32180391836, 64360783672, 128721567344]

約数ペア:

[(1, 128721567344), (2, 64360783672), (4, 32180391836), (8, 16090195918), (16, 8045097959), (29, 4438674736), (31, 4152308624), (47, 2738756752), (58, 2219337368), (62, 2076154312), (94, 1369378376), (116, 1109668684), (124, 1038077156), (188, 684689188), (232, 554834342), (248, 519038578), (376, 342344594), (464, 277417171), (496, 259519289), (752, 171172297), (899, 143183056), (1363, 94439888), (1457, 88346992), (1798, 71591528), (2726, 47219944), (2914, 44173496), (3596, 35795764), (5452, 23609972), (5828, 22086748), (7192, 17897882), (10904, 11804986), (11656, 11043374), (14384, 8948941), (21808, 5902493), (23312, 5521687), (42253, 3046448), (84506, 1523224), (169012, 761612), (190403, 676048), (338024, 380806)]