209964139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{2791}}^1$

素因数の和:3786

約数の個数: 16

約数和(自身を含む): 262135296

約数和(自身を除く): 52171157

約数列:

[1, 7, 11, 77, 977, 2791, 6839, 10747, 19537, 30701, 75229, 214907, 2726807, 19087649, 29994877, 209964139]

約数ペア:

[(1, 209964139), (7, 29994877), (11, 19087649), (77, 2726807), (977, 214907), (2791, 75229), (6839, 30701), (10747, 19537)]