39678821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 52496640

約数和(自身を除く): 12817819

約数列:

[1, 7, 13, 19, 53, 91, 133, 247, 371, 433, 689, 1007, 1729, 3031, 4823, 5629, 7049, 8227, 13091, 22949, 39403, 57589, 91637, 106951, 160643, 298337, 436031, 748657, 2088359, 3052217, 5668403, 39678821]

約数ペア:

[(1, 39678821), (7, 5668403), (13, 3052217), (19, 2088359), (53, 748657), (91, 436031), (133, 298337), (247, 160643), (371, 106951), (433, 91637), (689, 57589), (1007, 39403), (1729, 22949), (3031, 13091), (4823, 8227), (5629, 7049)]