57878821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 78962688

約数和(自身を除く): 21083867

約数列:

[1, 7, 11, 13, 67, 77, 91, 143, 469, 737, 863, 871, 1001, 5159, 6041, 6097, 9493, 9581, 11219, 57821, 66451, 67067, 78533, 123409, 404747, 636031, 751673, 863863, 4452217, 5261711, 8268403, 57878821]

約数ペア:

[(1, 57878821), (7, 8268403), (11, 5261711), (13, 4452217), (67, 863863), (77, 751673), (91, 636031), (143, 404747), (469, 123409), (737, 78533), (863, 67067), (871, 66451), (1001, 57821), (5159, 11219), (6041, 9581), (6097, 9493)]