639917567

素因数分解:

${\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1\times {\mathrm{593}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 670602240

約数和(自身を除く): 30684673

約数列:

[1, 29, 127, 293, 593, 3683, 8497, 17197, 37211, 75311, 173749, 1079119, 2184019, 5038721, 22066123, 639917567]

約数ペア:

[(1, 639917567), (29, 22066123), (127, 5038721), (293, 2184019), (593, 1079119), (3683, 173749), (8497, 75311), (17197, 37211)]