128661306

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{320053}}^1$

素因数の和:320125

約数の個数: 16

約数和(自身を含む): 261164064

約数和(自身を除く): 132502758

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 320053, 640106, 960159, 1920318, 21443551, 42887102, 64330653, 128661306]

約数ペア:

[(1, 128661306), (2, 64330653), (3, 42887102), (6, 21443551), (67, 1920318), (134, 960159), (201, 640106), (402, 320053)]