631760129

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20359}}^1$

素因数の和:20421

約数の個数: 32

約数和(自身を含む): 875642880

約数和(自身を除く): 243882751

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2387, 2821, 4433, 20359, 31031, 142513, 223949, 264667, 631129, 1567643, 1852669, 2911337, 4417903, 6942419, 8204677, 20379359, 48596933, 57432739, 90251447, 631760129]

約数ペア:

[(1, 631760129), (7, 90251447), (11, 57432739), (13, 48596933), (31, 20379359), (77, 8204677), (91, 6942419), (143, 4417903), (217, 2911337), (341, 1852669), (403, 1567643), (1001, 631129), (2387, 264667), (2821, 223949), (4433, 142513), (20359, 31031)]