128832656

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{71257}}^1$

素因数の和:71378

約数の個数: 20

約数和(自身を含む): 251825772

約数和(自身を除く): 122993116

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 71257, 142514, 285028, 570056, 1140112, 8052041, 16104082, 32208164, 64416328, 128832656]

約数ペア:

[(1, 128832656), (2, 64416328), (4, 32208164), (8, 16104082), (16, 8052041), (113, 1140112), (226, 570056), (452, 285028), (904, 142514), (1808, 71257)]