1916967521

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157477}}^1$

素因数の和:157568

約数の個数: 16

約数和(自身を含む): 2297918976

約数和(自身を除く): 380951455

約数列:

[1, 7, 37, 47, 259, 329, 1739, 12173, 157477, 1102339, 5826649, 7401419, 40786543, 51809933, 273852503, 1916967521]

約数ペア:

[(1, 1916967521), (7, 273852503), (37, 51809933), (47, 40786543), (259, 7401419), (329, 5826649), (1739, 1102339), (12173, 157477)]