81894784

素因数分解:

$2^7\times {\mathrm{239}}^1\times {\mathrm{2677}}^1$

素因数の和:2930

約数の個数: 32

約数和(自身を含む): 163893600

約数和(自身を除く): 81998816

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 478, 956, 1912, 2677, 3824, 5354, 7648, 10708, 15296, 21416, 30592, 42832, 85664, 171328, 342656, 639803, 1279606, 2559212, 5118424, 10236848, 20473696, 40947392, 81894784]

約数ペア:

[(1, 81894784), (2, 40947392), (4, 20473696), (8, 10236848), (16, 5118424), (32, 2559212), (64, 1279606), (128, 639803), (239, 342656), (478, 171328), (956, 85664), (1912, 42832), (2677, 30592), (3824, 21416), (5354, 15296), (7648, 10708)]