81665392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2411}}^1$

素因数の和:2521

約数の個数: 40

約数和(自身を含む): 165993840

約数和(自身を除く): 84328448

約数列:

[1, 2, 4, 8, 16, 29, 58, 73, 116, 146, 232, 292, 464, 584, 1168, 2117, 2411, 4234, 4822, 8468, 9644, 16936, 19288, 33872, 38576, 69919, 139838, 176003, 279676, 352006, 559352, 704012, 1118704, 1408024, 2816048, 5104087, 10208174, 20416348, 40832696, 81665392]

約数ペア:

[(1, 81665392), (2, 40832696), (4, 20416348), (8, 10208174), (16, 5104087), (29, 2816048), (58, 1408024), (73, 1118704), (116, 704012), (146, 559352), (232, 352006), (292, 279676), (464, 176003), (584, 139838), (1168, 69919), (2117, 38576), (2411, 33872), (4234, 19288), (4822, 16936), (8468, 9644)]