1309214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:415

約数の個数: 16

約数和(自身を含む): 2090880

約数和(自身を除く): 781666

約数列:

[1, 2, 19, 38, 131, 262, 263, 526, 2489, 4978, 4997, 9994, 34453, 68906, 654607, 1309214]

約数ペア:

[(1, 1309214), (2, 654607), (19, 68906), (38, 34453), (131, 9994), (262, 4997), (263, 4978), (526, 2489)]