128957507

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{1019}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 149817600

約数和(自身を除く): 20860093

約数列:

[1, 7, 101, 179, 707, 1019, 1253, 7133, 18079, 102919, 126553, 182401, 720433, 1276807, 18422501, 128957507]

約数ペア:

[(1, 128957507), (7, 18422501), (101, 1276807), (179, 720433), (707, 182401), (1019, 126553), (1253, 102919), (7133, 18079)]