81463984

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6673}}^1$

素因数の和:6797

約数の個数: 40

約数和(自身を含む): 182066720

約数和(自身を除く): 100602736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 6673, 12208, 13346, 26692, 46711, 53384, 93422, 106768, 186844, 373688, 727357, 747376, 1454714, 2909428, 5091499, 5818856, 10182998, 11637712, 20365996, 40731992, 81463984]

約数ペア:

[(1, 81463984), (2, 40731992), (4, 20365996), (7, 11637712), (8, 10182998), (14, 5818856), (16, 5091499), (28, 2909428), (56, 1454714), (109, 747376), (112, 727357), (218, 373688), (436, 186844), (763, 106768), (872, 93422), (1526, 53384), (1744, 46711), (3052, 26692), (6104, 13346), (6673, 12208)]