128047216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{727541}}^1$

素因数の和:727560

約数の個数: 20

約数和(自身を含む): 270645624

約数和(自身を除く): 142598408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 727541, 1455082, 2910164, 5820328, 8002951, 11640656, 16005902, 32011804, 64023608, 128047216]

約数ペア:

[(1, 128047216), (2, 64023608), (4, 32011804), (8, 16005902), (11, 11640656), (16, 8002951), (22, 5820328), (44, 2910164), (88, 1455082), (176, 727541)]