1681662008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{37517}}^1$

素因数の和:37967

約数の個数: 32

約数和(自身を含む): 3403632960

約数和(自身を除く): 1721970952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 862, 1724, 3448, 5603, 11206, 22412, 37517, 44824, 75034, 150068, 300136, 487721, 975442, 1950884, 3901768, 16169827, 32339654, 64679308, 129358616, 210207751, 420415502, 840831004, 1681662008]

約数ペア:

[(1, 1681662008), (2, 840831004), (4, 420415502), (8, 210207751), (13, 129358616), (26, 64679308), (52, 32339654), (104, 16169827), (431, 3901768), (862, 1950884), (1724, 975442), (3448, 487721), (5603, 300136), (11206, 150068), (22412, 75034), (37517, 44824)]