81881978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1\times {\mathrm{1439}}^1$

素因数の和:2701

約数の個数: 16

約数和(自身を含む): 128355840

約数和(自身を除く): 46473862

約数列:

[1, 2, 23, 46, 1237, 1439, 2474, 2878, 28451, 33097, 56902, 66194, 1780043, 3560086, 40940989, 81881978]

約数ペア:

[(1, 81881978), (2, 40940989), (23, 3560086), (46, 1780043), (1237, 66194), (1439, 56902), (2474, 33097), (2878, 28451)]