1293886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:687

約数の個数: 16

約数和(自身を含む): 2141568

約数和(自身を除く): 847682

約数列:

[1, 2, 11, 22, 103, 206, 571, 1133, 1142, 2266, 6281, 12562, 58813, 117626, 646943, 1293886]

約数ペア:

[(1, 1293886), (2, 646943), (11, 117626), (22, 58813), (103, 12562), (206, 6281), (571, 2266), (1133, 1142)]