209219998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{35449}}^1$

素因数の和:35691

約数の個数: 16

約数和(自身を含む): 339469200

約数和(自身を除く): 130249202

約数列:

[1, 2, 13, 26, 227, 454, 2951, 5902, 35449, 70898, 460837, 921674, 8046923, 16093846, 104609999, 209219998]

約数ペア:

[(1, 209219998), (2, 104609999), (13, 16093846), (26, 8046923), (227, 921674), (454, 460837), (2951, 70898), (5902, 35449)]