128508684

素因数分解:

$2^2\times 3^1\times {\mathrm{431}}^1\times {\mathrm{24847}}^1$

素因数の和:25285

約数の個数: 24

約数和(自身を含む): 300561408

約数和(自身を除く): 172052724

約数列:

[1, 2, 3, 4, 6, 12, 431, 862, 1293, 1724, 2586, 5172, 24847, 49694, 74541, 99388, 149082, 298164, 10709057, 21418114, 32127171, 42836228, 64254342, 128508684]

約数ペア:

[(1, 128508684), (2, 64254342), (3, 42836228), (4, 32127171), (6, 21418114), (12, 10709057), (431, 298164), (862, 149082), (1293, 99388), (1724, 74541), (2586, 49694), (5172, 24847)]