81187976

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{953}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 159356160

約数和(自身を除く): 78168184

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 463, 926, 953, 1852, 1906, 3704, 3812, 7624, 10649, 21298, 21919, 42596, 43838, 85192, 87676, 175352, 441239, 882478, 1764956, 3529912, 10148497, 20296994, 40593988, 81187976]

約数ペア:

[(1, 81187976), (2, 40593988), (4, 20296994), (8, 10148497), (23, 3529912), (46, 1764956), (92, 882478), (184, 441239), (463, 175352), (926, 87676), (953, 85192), (1852, 43838), (1906, 42596), (3704, 21919), (3812, 21298), (7624, 10649)]