128054288

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{33487}}^1$

素因数の和:33734

約数の個数: 20

約数和(自身を含む): 249150720

約数和(自身を除く): 121096432

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 33487, 66974, 133948, 267896, 535792, 8003393, 16006786, 32013572, 64027144, 128054288]

約数ペア:

[(1, 128054288), (2, 64027144), (4, 32013572), (8, 16006786), (16, 8003393), (239, 535792), (478, 267896), (956, 133948), (1912, 66974), (3824, 33487)]