209611919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{2137}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 235932576

約数和(自身を除く): 26320657

約数列:

[1, 11, 37, 241, 407, 2137, 2651, 8917, 23507, 79069, 98087, 515017, 869759, 5665187, 19055629, 209611919]

約数ペア:

[(1, 209611919), (11, 19055629), (37, 5665187), (241, 869759), (407, 515017), (2137, 98087), (2651, 79069), (8917, 23507)]