81028448

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 168467040

約数和(自身を除く): 87438592

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 89, 92, 178, 184, 356, 368, 712, 736, 1237, 1424, 2047, 2474, 2848, 4094, 4948, 8188, 9896, 16376, 19792, 28451, 32752, 39584, 56902, 65504, 110093, 113804, 220186, 227608, 440372, 455216, 880744, 910432, 1761488, 2532139, 3522976, 5064278, 10128556, 20257112, 40514224, 81028448]

約数ペア:

[(1, 81028448), (2, 40514224), (4, 20257112), (8, 10128556), (16, 5064278), (23, 3522976), (32, 2532139), (46, 1761488), (89, 910432), (92, 880744), (178, 455216), (184, 440372), (356, 227608), (368, 220186), (712, 113804), (736, 110093), (1237, 65504), (1424, 56902), (2047, 39584), (2474, 32752), (2848, 28451), (4094, 19792), (4948, 16376), (8188, 9896)]