1381205

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 2088960

約数和(自身を除く): 707755

約数列:

[1, 5, 7, 19, 31, 35, 67, 95, 133, 155, 217, 335, 469, 589, 665, 1085, 1273, 2077, 2345, 2945, 4123, 6365, 8911, 10385, 14539, 20615, 39463, 44555, 72695, 197315, 276241, 1381205]

約数ペア:

[(1, 1381205), (5, 276241), (7, 197315), (19, 72695), (31, 44555), (35, 39463), (67, 20615), (95, 14539), (133, 10385), (155, 8911), (217, 6365), (335, 4123), (469, 2945), (589, 2345), (665, 2077), (1085, 1273)]