31214156

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 55883520

約数和(自身を除く): 24669364

約数列:

[1, 2, 4, 71, 131, 142, 262, 284, 524, 839, 1678, 3356, 9301, 18602, 37204, 59569, 109909, 119138, 219818, 238276, 439636, 7803539, 15607078, 31214156]

約数ペア:

[(1, 31214156), (2, 15607078), (4, 7803539), (71, 439636), (131, 238276), (142, 219818), (262, 119138), (284, 109909), (524, 59569), (839, 37204), (1678, 18602), (3356, 9301)]