128450288

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{186701}}^1$

素因数の和:186752

約数の個数: 20

約数和(自身を含む): 254661528

約数和(自身を除く): 126211240

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 186701, 373402, 746804, 1493608, 2987216, 8028143, 16056286, 32112572, 64225144, 128450288]

約数ペア:

[(1, 128450288), (2, 64225144), (4, 32112572), (8, 16056286), (16, 8028143), (43, 2987216), (86, 1493608), (172, 746804), (344, 373402), (688, 186701)]