247708928

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 525880320

約数和(自身を除く): 278171392

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 128, 152, 254, 256, 304, 401, 508, 608, 802, 1016, 1216, 1604, 2032, 2413, 2432, 3208, 4064, 4826, 4864, 6416, 7619, 8128, 9652, 12832, 15238, 16256, 19304, 25664, 30476, 32512, 38608, 50927, 51328, 60952, 77216, 101854, 102656, 121904, 154432, 203708, 243808, 308864, 407416, 487616, 617728, 814832, 967613, 975232, 1629664, 1935226, 1950464, 3259328, 3870452, 6518656, 7740904, 13037312, 15481808, 30963616, 61927232, 123854464, 247708928]

約数ペア:

[(1, 247708928), (2, 123854464), (4, 61927232), (8, 30963616), (16, 15481808), (19, 13037312), (32, 7740904), (38, 6518656), (64, 3870452), (76, 3259328), (127, 1950464), (128, 1935226), (152, 1629664), (254, 975232), (256, 967613), (304, 814832), (401, 617728), (508, 487616), (608, 407416), (802, 308864), (1016, 243808), (1216, 203708), (1604, 154432), (2032, 121904), (2413, 102656), (2432, 101854), (3208, 77216), (4064, 60952), (4826, 51328), (4864, 50927), (6416, 38608), (7619, 32512), (8128, 30476), (9652, 25664), (12832, 19304), (15238, 16256)]