31123768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 63327600

約数和(自身を除く): 32203832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 2153, 3614, 4306, 7228, 8612, 14456, 17224, 27989, 55978, 111956, 223912, 299267, 598534, 1197068, 2394136, 3890471, 7780942, 15561884, 31123768]

約数ペア:

[(1, 31123768), (2, 15561884), (4, 7780942), (8, 3890471), (13, 2394136), (26, 1197068), (52, 598534), (104, 299267), (139, 223912), (278, 111956), (556, 55978), (1112, 27989), (1807, 17224), (2153, 14456), (3614, 8612), (4306, 7228)]