628221503

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:856

約数の個数: 36

約数和(自身を含む): 799849080

約数和(自身を除く): 171627577

約数列:

[1, 7, 13, 49, 91, 107, 169, 637, 709, 749, 1183, 1391, 4963, 5243, 8281, 9217, 9737, 18083, 34741, 64519, 68159, 75863, 119821, 126581, 451633, 531041, 838747, 886067, 986219, 3717287, 5871229, 6903533, 12820847, 48324731, 89745929, 628221503]

約数ペア:

[(1, 628221503), (7, 89745929), (13, 48324731), (49, 12820847), (91, 6903533), (107, 5871229), (169, 3717287), (637, 986219), (709, 886067), (749, 838747), (1183, 531041), (1391, 451633), (4963, 126581), (5243, 119821), (8281, 75863), (9217, 68159), (9737, 64519), (18083, 34741)]