821307992

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{2437}}^1$

素因数の和:2955

約数の個数: 32

約数和(自身を含む): 1559344800

約数和(自身を除く): 738036808

約数列:

[1, 2, 4, 8, 103, 206, 409, 412, 818, 824, 1636, 2437, 3272, 4874, 9748, 19496, 42127, 84254, 168508, 251011, 337016, 502022, 996733, 1004044, 1993466, 2008088, 3986932, 7973864, 102663499, 205326998, 410653996, 821307992]

約数ペア:

[(1, 821307992), (2, 410653996), (4, 205326998), (8, 102663499), (103, 7973864), (206, 3986932), (409, 2008088), (412, 1993466), (818, 1004044), (824, 996733), (1636, 502022), (2437, 337016), (3272, 251011), (4874, 168508), (9748, 84254), (19496, 42127)]