142980985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1019}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 207590400

約数和(自身を除く): 64609415

約数列:

[1, 5, 7, 19, 35, 95, 133, 211, 665, 1019, 1055, 1477, 4009, 5095, 7133, 7385, 19361, 20045, 28063, 35665, 96805, 135527, 140315, 215009, 677635, 1075045, 1505063, 4085171, 7525315, 20425855, 28596197, 142980985]

約数ペア:

[(1, 142980985), (5, 28596197), (7, 20425855), (19, 7525315), (35, 4085171), (95, 1505063), (133, 1075045), (211, 677635), (665, 215009), (1019, 140315), (1055, 135527), (1477, 96805), (4009, 35665), (5095, 28063), (7133, 20045), (7385, 19361)]