128264288

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{210961}}^1$

素因数の和:210990

約数の個数: 24

約数和(自身を含む): 265812120

約数和(自身を除く): 137547832

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 210961, 421922, 843844, 1687688, 3375376, 4008259, 6750752, 8016518, 16033036, 32066072, 64132144, 128264288]

約数ペア:

[(1, 128264288), (2, 64132144), (4, 32066072), (8, 16033036), (16, 8016518), (19, 6750752), (32, 4008259), (38, 3375376), (76, 1687688), (152, 843844), (304, 421922), (608, 210961)]