81816656

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{176329}}^1$

素因数の和:176366

約数の個数: 20

約数和(自身を含む): 163986900

約数和(自身を除く): 82170244

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 176329, 352658, 705316, 1410632, 2821264, 5113541, 10227082, 20454164, 40908328, 81816656]

約数ペア:

[(1, 81816656), (2, 40908328), (4, 20454164), (8, 10227082), (16, 5113541), (29, 2821264), (58, 1410632), (116, 705316), (232, 352658), (464, 176329)]