72684448

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 148157856

約数和(自身を除く): 75473408

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 101, 172, 202, 344, 404, 523, 688, 808, 1046, 1376, 1616, 2092, 3232, 4184, 4343, 8368, 8686, 16736, 17372, 22489, 34744, 44978, 52823, 69488, 89956, 105646, 138976, 179912, 211292, 359824, 422584, 719648, 845168, 1690336, 2271389, 4542778, 9085556, 18171112, 36342224, 72684448]

約数ペア:

[(1, 72684448), (2, 36342224), (4, 18171112), (8, 9085556), (16, 4542778), (32, 2271389), (43, 1690336), (86, 845168), (101, 719648), (172, 422584), (202, 359824), (344, 211292), (404, 179912), (523, 138976), (688, 105646), (808, 89956), (1046, 69488), (1376, 52823), (1616, 44978), (2092, 34744), (3232, 22489), (4184, 17372), (4343, 16736), (8368, 8686)]