81754874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{19681}}^1$

素因数の和:19781

約数の個数: 16

約数和(自身を含む): 128484096

約数和(自身を除く): 46729222

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 19681, 39362, 610111, 1220222, 1318627, 2637254, 40877437, 81754874]

約数ペア:

[(1, 81754874), (2, 40877437), (31, 2637254), (62, 1318627), (67, 1220222), (134, 610111), (2077, 39362), (4154, 19681)]