999103688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{17657}}^1$

素因数の和:18317

約数の個数: 32

約数和(自身を含む): 2046915360

約数和(自身を除く): 1047811672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 643, 1286, 2572, 5144, 7073, 14146, 17657, 28292, 35314, 56584, 70628, 141256, 194227, 388454, 776908, 1553816, 11353451, 22706902, 45413804, 90827608, 124887961, 249775922, 499551844, 999103688]

約数ペア:

[(1, 999103688), (2, 499551844), (4, 249775922), (8, 124887961), (11, 90827608), (22, 45413804), (44, 22706902), (88, 11353451), (643, 1553816), (1286, 776908), (2572, 388454), (5144, 194227), (7073, 141256), (14146, 70628), (17657, 56584), (28292, 35314)]