31379728

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 64388736

約数和(自身を除く): 33009008

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 142, 184, 284, 368, 568, 1136, 1201, 1633, 2402, 3266, 4804, 6532, 9608, 13064, 19216, 26128, 27623, 55246, 85271, 110492, 170542, 220984, 341084, 441968, 682168, 1364336, 1961233, 3922466, 7844932, 15689864, 31379728]

約数ペア:

[(1, 31379728), (2, 15689864), (4, 7844932), (8, 3922466), (16, 1961233), (23, 1364336), (46, 682168), (71, 441968), (92, 341084), (142, 220984), (184, 170542), (284, 110492), (368, 85271), (568, 55246), (1136, 27623), (1201, 26128), (1633, 19216), (2402, 13064), (3266, 9608), (4804, 6532)]