1138895984

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{110017}}^1$

素因数の和:110672

約数の個数: 20

約数和(自身を含む): 2210041584

約数和(自身を除く): 1071145600

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 110017, 220034, 440068, 880136, 1760272, 71180999, 142361998, 284723996, 569447992, 1138895984]

約数ペア:

[(1, 1138895984), (2, 569447992), (4, 284723996), (8, 142361998), (16, 71180999), (647, 1760272), (1294, 880136), (2588, 440068), (5176, 220034), (10352, 110017)]