81669568

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 170078400

約数和(自身を除く): 88408832

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 79, 116, 158, 232, 316, 464, 557, 632, 928, 1114, 1264, 1856, 2228, 2291, 2528, 4456, 4582, 5056, 8912, 9164, 16153, 17824, 18328, 32306, 35648, 36656, 44003, 64612, 73312, 88006, 129224, 146624, 176012, 258448, 352024, 516896, 704048, 1033792, 1276087, 1408096, 2552174, 2816192, 5104348, 10208696, 20417392, 40834784, 81669568]

約数ペア:

[(1, 81669568), (2, 40834784), (4, 20417392), (8, 10208696), (16, 5104348), (29, 2816192), (32, 2552174), (58, 1408096), (64, 1276087), (79, 1033792), (116, 704048), (158, 516896), (232, 352024), (316, 258448), (464, 176012), (557, 146624), (632, 129224), (928, 88006), (1114, 73312), (1264, 64612), (1856, 44003), (2228, 36656), (2291, 35648), (2528, 32306), (4456, 18328), (4582, 17824), (5056, 16153), (8912, 9164)]