81563948

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{6679}}^1$

素因数の和:6797

約数の個数: 24

約数和(自身を含む): 148135680

約数和(自身を除く): 66571732

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 3053, 6106, 6679, 12212, 13358, 26716, 287197, 474209, 574394, 948418, 1148788, 1896836, 20390987, 40781974, 81563948]

約数ペア:

[(1, 81563948), (2, 40781974), (4, 20390987), (43, 1896836), (71, 1148788), (86, 948418), (142, 574394), (172, 474209), (284, 287197), (3053, 26716), (6106, 13358), (6679, 12212)]