129069872

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{120401}}^1$

素因数の和:120476

約数の個数: 20

約数和(自身を含む): 253807416

約数和(自身を除く): 124737544

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 120401, 240802, 481604, 963208, 1926416, 8066867, 16133734, 32267468, 64534936, 129069872]

約数ペア:

[(1, 129069872), (2, 64534936), (4, 32267468), (8, 16133734), (16, 8066867), (67, 1926416), (134, 963208), (268, 481604), (536, 240802), (1072, 120401)]