664081984

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{81703}}^1$

素因数の和:81842

約数の個数: 28

約数和(自身を含む): 1328180224

約数和(自身を除く): 664098240

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 81703, 163406, 326812, 653624, 1307248, 2614496, 5228992, 10376281, 20752562, 41505124, 83010248, 166020496, 332040992, 664081984]

約数ペア:

[(1, 664081984), (2, 332040992), (4, 166020496), (8, 83010248), (16, 41505124), (32, 20752562), (64, 10376281), (127, 5228992), (254, 2614496), (508, 1307248), (1016, 653624), (2032, 326812), (4064, 163406), (8128, 81703)]