128814272

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{19541}}^1$

素因数の和:19656

約数の個数: 28

約数和(自身を含む): 258110736

約数和(自身を除く): 129296464

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 206, 412, 824, 1648, 3296, 6592, 19541, 39082, 78164, 156328, 312656, 625312, 1250624, 2012723, 4025446, 8050892, 16101784, 32203568, 64407136, 128814272]

約数ペア:

[(1, 128814272), (2, 64407136), (4, 32203568), (8, 16101784), (16, 8050892), (32, 4025446), (64, 2012723), (103, 1250624), (206, 625312), (412, 312656), (824, 156328), (1648, 78164), (3296, 39082), (6592, 19541)]