81339316

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 157449600

約数和(自身を除く): 76110284

約数列:

[1, 2, 4, 23, 29, 43, 46, 58, 86, 92, 116, 172, 667, 709, 989, 1247, 1334, 1418, 1978, 2494, 2668, 2836, 3956, 4988, 16307, 20561, 28681, 30487, 32614, 41122, 57362, 60974, 65228, 82244, 114724, 121948, 472903, 701201, 884123, 945806, 1402402, 1768246, 1891612, 2804804, 3536492, 20334829, 40669658, 81339316]

約数ペア:

[(1, 81339316), (2, 40669658), (4, 20334829), (23, 3536492), (29, 2804804), (43, 1891612), (46, 1768246), (58, 1402402), (86, 945806), (92, 884123), (116, 701201), (172, 472903), (667, 121948), (709, 114724), (989, 82244), (1247, 65228), (1334, 60974), (1418, 57362), (1978, 41122), (2494, 32614), (2668, 30487), (2836, 28681), (3956, 20561), (4988, 16307)]