90904168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2663}}^1$

素因数の和:2937

約数の個数: 32

約数和(自身を含む): 181258560

約数和(自身を除く): 90354392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 251, 502, 1004, 2008, 2663, 4267, 5326, 8534, 10652, 17068, 21304, 34136, 45271, 90542, 181084, 362168, 668413, 1336826, 2673652, 5347304, 11363021, 22726042, 45452084, 90904168]

約数ペア:

[(1, 90904168), (2, 45452084), (4, 22726042), (8, 11363021), (17, 5347304), (34, 2673652), (68, 1336826), (136, 668413), (251, 362168), (502, 181084), (1004, 90542), (2008, 45271), (2663, 34136), (4267, 21304), (5326, 17068), (8534, 10652)]