1639351888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2161}}^1\times {\mathrm{2789}}^1$

素因数の和:4975

約数の個数: 40

約数和(自身を含む): 3365844840

約数和(自身を除く): 1726492952

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2161, 2789, 4322, 5578, 8644, 11156, 17288, 22312, 34576, 36737, 44624, 47413, 73474, 94826, 146948, 189652, 293896, 379304, 587792, 758608, 6027029, 12054058, 24108116, 48216232, 96432464, 102459493, 204918986, 409837972, 819675944, 1639351888]

約数ペア:

[(1, 1639351888), (2, 819675944), (4, 409837972), (8, 204918986), (16, 102459493), (17, 96432464), (34, 48216232), (68, 24108116), (136, 12054058), (272, 6027029), (2161, 758608), (2789, 587792), (4322, 379304), (5578, 293896), (8644, 189652), (11156, 146948), (17288, 94826), (22312, 73474), (34576, 47413), (36737, 44624)]