819662008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{21611}}^1$

素因数の和:22059

約数の個数: 32

約数和(自身を含む): 1680549120

約数和(自身を除く): 860887112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 431, 862, 1724, 3448, 4741, 9482, 18964, 21611, 37928, 43222, 86444, 172888, 237721, 475442, 950884, 1901768, 9314341, 18628682, 37257364, 74514728, 102457751, 204915502, 409831004, 819662008]

約数ペア:

[(1, 819662008), (2, 409831004), (4, 204915502), (8, 102457751), (11, 74514728), (22, 37257364), (44, 18628682), (88, 9314341), (431, 1901768), (862, 950884), (1724, 475442), (3448, 237721), (4741, 172888), (9482, 86444), (18964, 43222), (21611, 37928)]