328772015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6863}}^1$

素因数の和:6959

約数の個数: 32

約数和(自身を含む): 470486016

約数和(自身を除く): 141714001

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 335, 715, 737, 871, 3685, 4355, 6863, 9581, 34315, 47905, 75493, 89219, 377465, 446095, 459821, 981409, 2299105, 4907045, 5058031, 5977673, 25290155, 29888365, 65754403, 328772015]

約数ペア:

[(1, 328772015), (5, 65754403), (11, 29888365), (13, 25290155), (55, 5977673), (65, 5058031), (67, 4907045), (143, 2299105), (335, 981409), (715, 459821), (737, 446095), (871, 377465), (3685, 89219), (4355, 75493), (6863, 47905), (9581, 34315)]