638320033616

素因数分解:

$2^4\times {\mathrm{620731}}^1\times {\mathrm{64271}}^1$

素因数の和:685010

約数の個数: 20

約数和(自身を含む): 1236766300224

約数和(自身を除く): 598446266608

約数列:

[1, 2, 4, 8, 16, 64271, 128542, 257084, 514168, 620731, 1028336, 1241462, 2482924, 4965848, 9931696, 39895002101, 79790004202, 159580008404, 319160016808, 638320033616]

約数ペア:

[(1, 638320033616), (2, 319160016808), (4, 159580008404), (8, 79790004202), (16, 39895002101), (64271, 9931696), (128542, 4965848), (257084, 2482924), (514168, 1241462), (620731, 1028336)]