128657912

素因数分解:

$2^3\times {\mathrm{619}}^1\times {\mathrm{25981}}^1$

素因数の和:26606

約数の個数: 16

約数和(自身を含む): 241632600

約数和(自身を除く): 112974688

約数列:

[1, 2, 4, 8, 619, 1238, 2476, 4952, 25981, 51962, 103924, 207848, 16082239, 32164478, 64328956, 128657912]

約数ペア:

[(1, 128657912), (2, 64328956), (4, 32164478), (8, 16082239), (619, 207848), (1238, 103924), (2476, 51962), (4952, 25981)]